Multicellular Black & White Stock Photos

(460)See multicellular stock video clips

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Multicellular Black & White Stock Photos

Sponge are multicellular aquatic organisms, members of the phylum Porifera. This figure represent Cross Section Sponge, vintage line drawing or engrav Stock Vector

RF2C9CAH9–Sponge are multicellular aquatic organisms, members of the phylum Porifera. This figure represent Cross Section Sponge, vintage line drawing or engrav

Seaweed icons set - nature, food trends concept Stock Vector

RFJXYXNY–Seaweed icons set - nature, food trends concept

Transmission Electron Micrograph showing eosinophil granules, a type of white blood cell. Eosinophils, sometimes called eosinophiles or, less commonly, acidophils, are a variety of white blood cells and one of the immune system components responsible for combating multicellular parasites and certain infections in vertebrates. Along with mast cells and basophils, they also control mechanisms associated with allergy and asthma. They are granulocytes that develop during hematopoiesis in the bone marrow before migrating into blood. Magnification unknown. Stock Photo

RM2BE0HDK–Transmission Electron Micrograph showing eosinophil granules, a type of white blood cell. Eosinophils, sometimes called eosinophiles or, less commonly, acidophils, are a variety of white blood cells and one of the immune system components responsible for combating multicellular parasites and certain infections in vertebrates. Along with mast cells and basophils, they also control mechanisms associated with allergy and asthma. They are granulocytes that develop during hematopoiesis in the bone marrow before migrating into blood. Magnification unknown.

Longnose gar Lepisosteus osseus can be found in freshwater in America, the best photo Stock Photo

RF2CAYK66–Longnose gar Lepisosteus osseus can be found in freshwater in America, the best photo

SWEDEN, Plant, photosynthetic, eukaryotes, Plantae, multicellular, flowering, plants, gymnosperms, ferns, Green plants, photosynthesis, chloroplasts, Stock Photo

RFRG08C2–SWEDEN, Plant, photosynthetic, eukaryotes, Plantae, multicellular, flowering, plants, gymnosperms, ferns, Green plants, photosynthesis, chloroplasts,

Embryo is an early stage of development of a multicellular diploid eukaryotic organism, vintage line drawing or engraving illustration. Stock Vector

RFT5YMDH–Embryo is an early stage of development of a multicellular diploid eukaryotic organism, vintage line drawing or engraving illustration.

Cyclic Symmetric Multiscale Turing Pattern. Monochrome texture Stock Vector

RF2F65E81–Cyclic Symmetric Multiscale Turing Pattern. Monochrome texture

RF2B764KK–Embryo is an early stage of development of a multicellular diploid eukaryotic organism, vintage line drawing or engraving illustration.

RMHRJP7M–Malassezia Fungus, SEM

Sponge are multicellular aquatic organisms, members of the phylum Porifera. This figure represent commercial Sponge, vintage line drawing or engraving Stock Vector

RF2C9CBA0–Sponge are multicellular aquatic organisms, members of the phylum Porifera. This figure represent commercial Sponge, vintage line drawing or engraving

Outlines of zoology . daughter cells cohere and are differentiated to form a body. Butthe Protozoa form no body; they remain (with few exceptions)single cells, and when they divide, the daughter cells almost invariablygo apart as independent organisms. Here, then, is the greatest gulf which we have hitherto noticed—that between multicellular animals (Metazoa) and unicellular animals.(Protozoa). But the gulf was bridged, and traces of the bridge remain.For—(a) there are a few Protozoa which form loose colonies of cells>.and [b] there are a few multicellular animals of great simplicity. Proto Stock Photo

RM2AJ1928–Outlines of zoology . daughter cells cohere and are differentiated to form a body. Butthe Protozoa form no body; they remain (with few exceptions)single cells, and when they divide, the daughter cells almost invariablygo apart as independent organisms. Here, then, is the greatest gulf which we have hitherto noticed—that between multicellular animals (Metazoa) and unicellular animals.(Protozoa). But the gulf was bridged, and traces of the bridge remain.For—(a) there are a few Protozoa which form loose colonies of cells>.and [b] there are a few multicellular animals of great simplicity. Proto

Schematic showing rotifer, rotifer is a minute multicellular aquatic animal of the phylum Rotifera, vintage line drawing or engraving illustration. Stock Vector

RF2BTGJN4–Schematic showing rotifer, rotifer is a minute multicellular aquatic animal of the phylum Rotifera, vintage line drawing or engraving illustration.

Capsule bottle with encapsulated human bodies Stock Photo

RM2B8P8ME–Capsule bottle with encapsulated human bodies

Sponge are multicellular aquatic organisms, members of the phylum Porifera. This figure represent Sponge Outer Wall, vintage line drawing or engraving Stock Vector

RF2C9C1EG–Sponge are multicellular aquatic organisms, members of the phylum Porifera. This figure represent Sponge Outer Wall, vintage line drawing or engraving

RMTWH98J–Capsulated people

Hydra is a freshwater multicellular organism in the family Cnidarian, feed on other small invertebrate animals such as crustaceans, vintage line drawi Stock Vector

RF2BTGGAR–Hydra is a freshwater multicellular organism in the family Cnidarian, feed on other small invertebrate animals such as crustaceans, vintage line drawi

RMAPE34D–Dry Seaweeds

Hydra is a freshwater multicellular organism in the family Cnidarian. Figure showing Cross section of Hydra, vintage line drawing or engraving illustr Stock Vector

RF2BTGYXR–Hydra is a freshwater multicellular organism in the family Cnidarian. Figure showing Cross section of Hydra, vintage line drawing or engraving illustr

Basophil leukocyte white blood cells isolated on white background. Hand drawn scientific microbiology vector illustration in sketch style Stock Vector

RF2P8AGEX–Basophil leukocyte white blood cells isolated on white background. Hand drawn scientific microbiology vector illustration in sketch style

Evolution from atom to human illustration Stock Vector

RF2C4NTAA–Evolution from atom to human illustration

Eosinophil leukocyte white blood cells isolated on white background. Hand drawn scientific microbiology vector illustration in sketch style Stock Vector

RF2P7BBKC–Eosinophil leukocyte white blood cells isolated on white background. Hand drawn scientific microbiology vector illustration in sketch style

RF2WEGANW–Seaweed. Algae flat vector icon. Simple solid symbol isolated on white background

intestinal,filaments,nerve,science,multicellular,smooth,collagen,ectoderm,biology,muscle,cells,tissue,anatomy,skeletal,structure,fiber,muscular,human,body,set,vector,icon,illustration,isolated,collection,design,element,graphic,sign,black,simple, Vector Vectors , Stock Vector

RFREB8WM–intestinal,filaments,nerve,science,multicellular,smooth,collagen,ectoderm,biology,muscle,cells,tissue,anatomy,skeletal,structure,fiber,muscular,human,body,set,vector,icon,illustration,isolated,collection,design,element,graphic,sign,black,simple, Vector Vectors ,

Antonie Philips van Leeuwenhoek, 1632 – 1723, a Dutch microbiologist and microscopist Stock Photo

RM2NW7J5X–Antonie Philips van Leeuwenhoek, 1632 – 1723, a Dutch microbiologist and microscopist

. The structure and development of mosses and ferns (Archegoniatae). Plant morphology; Mosses; Ferns. 148 MOSSES AND FERNS CHAP. dermis of the mature sporophyte, which otherwise closely resembles that of Anthoceros. The spores may remain undivided, as in Anthoceros, or in some species, e. g., D. crispus, they become multicellular before they are discharged. In this respect these species of Dendro- ceros recall Conocephalus and Pellia, where germination begins before the spores are set free. Notothylas The third genus, Notothylas, is of especial interest, because it was largely upon the results Stock Photo

RMPG05MD–. The structure and development of mosses and ferns (Archegoniatae). Plant morphology; Mosses; Ferns. 148 MOSSES AND FERNS CHAP. dermis of the mature sporophyte, which otherwise closely resembles that of Anthoceros. The spores may remain undivided, as in Anthoceros, or in some species, e. g., D. crispus, they become multicellular before they are discharged. In this respect these species of Dendro- ceros recall Conocephalus and Pellia, where germination begins before the spores are set free. Notothylas The third genus, Notothylas, is of especial interest, because it was largely upon the results

RF2F65EF7–Cyclic Symmetric Multiscale Turing Pattern. Monochrome texture

Human embryo, vintage engraved illustration. From the Universe and Humanity, 1910. Stock Photo

RF2C2T6X3–Human embryo, vintage engraved illustration. From the Universe and Humanity, 1910.

RMHRJP7P–Malassezia Fungus, SEM

RF2C1XXXH–Underwater Seaweed. Aquatic Marine Algae Plant. Flat Vector Icon illustration. Simple black symbol on white background. Underwater Seaweed. Algae sign

. Western agriculture. whichcomprise the majority ofthese, are minute, unicellularorganisms which multiply bya process c&Wedfission. Theyare composed of rod-shaped,spherical, and spiral bodies.Yeasts are unicellular or-ganisms usually considerablylarger than bacteria and havea definite organized nucleus.They usually multiply by aprocess called budding andare oval bodies. Molds are multicellular fungi of consider-able size and in types of body are much more complex thaneither bacteria or yeasts. They are all classed together as simple undifferentiatedplants which never develop roots, stems, or Stock Photo

RM2AFRT74–. Western agriculture. whichcomprise the majority ofthese, are minute, unicellularorganisms which multiply bya process c&Wedfission. Theyare composed of rod-shaped,spherical, and spiral bodies.Yeasts are unicellular or-ganisms usually considerablylarger than bacteria and havea definite organized nucleus.They usually multiply by aprocess called budding andare oval bodies. Molds are multicellular fungi of consider-able size and in types of body are much more complex thaneither bacteria or yeasts. They are all classed together as simple undifferentiatedplants which never develop roots, stems, or

RFW36NGP–Seaweed. Algae vector icon. Simple flat symbol on white background

Atlantic puffin (Fratercula arctica) is considered a vulnerable specie Stock Photo

RFRTKRKJ–Atlantic puffin (Fratercula arctica) is considered a vulnerable specie

The Pacific sea nettle (Chrysaora Fuscescens),characterised by its brown bell with reddish marks, living at depths not exceeding 100 metres Stock Photo

RM2KDRPGY–The Pacific sea nettle (Chrysaora Fuscescens),characterised by its brown bell with reddish marks, living at depths not exceeding 100 metres

Hydra is a freshwater multicellular organism in the family Cnidarian. Figure showing Stinging Cells of Hydra, vintage line drawing or engraving illust Stock Vector

RF2BTH44F–Hydra is a freshwater multicellular organism in the family Cnidarian. Figure showing Stinging Cells of Hydra, vintage line drawing or engraving illust

RFREB98R–intestinal,filaments,nerve,science,multicellular,smooth,collagen,ectoderm,biology,muscle,cells,tissue,anatomy,skeletal,structure,fiber,muscular,human,body,set,vector,icon,illustration,isolated,collection,design,element,graphic,sign,outline,line, Vector Vectors ,

. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. 46 MYCOLOGY branches are coarser in Penicillium and do not form the fine-pointed ends found in Mucor. The presence of transverse walls in the fungi is thought of sufficient importance to make a subclass known as the MYCOMYCETES to contain all of the true fungi EUMYCETES which have a mycelium which is multicellular in contradistinction to those which have unicellular mycelia and that form the subclass PHYCOMYCETES. From this spreading mycelium of transversely septated hyphas in Penicilli Stock Photo

RMPG45B2–. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. 46 MYCOLOGY branches are coarser in Penicillium and do not form the fine-pointed ends found in Mucor. The presence of transverse walls in the fungi is thought of sufficient importance to make a subclass known as the MYCOMYCETES to contain all of the true fungi EUMYCETES which have a mycelium which is multicellular in contradistinction to those which have unicellular mycelia and that form the subclass PHYCOMYCETES. From this spreading mycelium of transversely septated hyphas in Penicilli

RF2GEGBTH–Cyclic Symmetric Multiscale Turing Pattern. Monochrome texture

RF2C2T5YF–Human embryo, vintage engraved illustration. From the Universe and Humanity, 1910.

RMHRJP7R–Malassezia Fungus, SEM

Rotifer inflatus observed in the aquarium, vintage engraved illustration. Magasin Pittoresque 1873. Stock Photo

RF2C2R8YX–Rotifer inflatus observed in the aquarium, vintage engraved illustration. Magasin Pittoresque 1873.

. Principles of modern biology. Biology. 420 - Multicellular Animals, Especially Man. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Marsland, Douglas, 1899-. New York, Holt, Rinehart and Winston Stock Photo

RMRDYT80–. Principles of modern biology. Biology. 420 - Multicellular Animals, Especially Man. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Marsland, Douglas, 1899-. New York, Holt, Rinehart and Winston

Young human embryo with ploughs of branchial arches and gill slits, as well as limbs in the form of fins, vintage engraved illustration. From the Univ Stock Photo

RF2C2T66M–Young human embryo with ploughs of branchial arches and gill slits, as well as limbs in the form of fins, vintage engraved illustration. From the Univ

Chlamydosaurus kingii (Frilled-neck lizard) Stock Photo

RFRTKR9K–Chlamydosaurus kingii (Frilled-neck lizard)

RM2KDRP4R–The Pacific sea nettle (Chrysaora Fuscescens),characterised by its brown bell with reddish marks, living at depths not exceeding 100 metres

RF2BTGK02–Hydra is a freshwater multicellular organism in the family Cnidarian. Figure showing Stinging Cells of Hydra, vintage line drawing or engraving illust

RF2BTGHX9–Hydra is a freshwater multicellular organism in the family Cnidarian. Figure showing Stinging Cells of Hydra, vintage line drawing or engraving illust

A picture showing Archegonium of Bracken. This is a multicellular composition or organs that produce orbital gametes, vintage line drawing or engravin Stock Vector

RFT604F5–A picture showing Archegonium of Bracken. This is a multicellular composition or organs that produce orbital gametes, vintage line drawing or engravin

RF2A189RA–Isolated object of fiber and muscular icon. Collection of fiber and body stock vector illustration.

Protists, intermediate beings. The magosphaera planula, vintage engraved illustration. Earth before man – 1886. Stock Vector

RFEW45CT–Protists, intermediate beings. The magosphaera planula, vintage engraved illustration. Earth before man – 1886.

. Morphology of gymnosperms. Gymnosperms; Plant morphology. 393 MORPHOLOGY OF GYMNOSPERMS merges insensibly into the root cap. There are thus three stages of suspensor-formation: the first elongation in connection with the nucleus which later becomes the nucleus of the embryo cell; the second and chief elongation in connection with the smaller nucleus of the proembryonal cell; and the formation of a secondary, multicellular suspensor by the basal cells of the emjbryo. Although several embryos may begin to develop in a single ovule, only one of them reaches maturity. In Ephedra trifurca the occ Stock Photo

RMPG2J9W–. Morphology of gymnosperms. Gymnosperms; Plant morphology. 393 MORPHOLOGY OF GYMNOSPERMS merges insensibly into the root cap. There are thus three stages of suspensor-formation: the first elongation in connection with the nucleus which later becomes the nucleus of the embryo cell; the second and chief elongation in connection with the smaller nucleus of the proembryonal cell; and the formation of a secondary, multicellular suspensor by the basal cells of the emjbryo. Although several embryos may begin to develop in a single ovule, only one of them reaches maturity. In Ephedra trifurca the occ

RF2F65DDC–Cyclic Symmetric Multiscale Turing Pattern. Monochrome texture

RMHRJP7G–Aspergillus Fungus, SEM

. Principles of modern biology. Biology. 394 - Multicellular Animals, Especially Man. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Marsland, Douglas, 1899-. New York, Holt, Rinehart and Winston Stock Photo

RMRDYT9R–. Principles of modern biology. Biology. 394 - Multicellular Animals, Especially Man. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Marsland, Douglas, 1899-. New York, Holt, Rinehart and Winston

Embryos of the pore. almost natural in size, vintage engraved illustration. From the Universe and Humanity, 1910. Stock Photo

RF2C2T5YG–Embryos of the pore. almost natural in size, vintage engraved illustration. From the Universe and Humanity, 1910.

Smooth fronted caiman (Paleosuchus trigonatus) is the second smallest caiman Stock Photo

RFRTKRTR–Smooth fronted caiman (Paleosuchus trigonatus) is the second smallest caiman

RFW9CT32–Vector design of fiber and muscular sign. Set of fiber and body vector icon for stock.

. Bacteriology and mycology of foods. Food. RHIZOPUS—MUCOR-OIDIUM 205 lactis (oospora lactis) is often classified with yeasts and has then been given the name Mycoderma lactis. The molds are set apart from bac- teria and yeasts in that they are multicellular. The following varieties may be met with in a microbiological examination of foods. Rhizopus. The most common member of this group is Rhizopus nigricans. It is the common black bread mold and may be responsible for other food spoilage. Stevens (1917) has shown that this fungus causes the rot of strawberries during shipment. This work verif Stock Photo

RMPFXBBD–. Bacteriology and mycology of foods. Food. RHIZOPUS—MUCOR-OIDIUM 205 lactis (oospora lactis) is often classified with yeasts and has then been given the name Mycoderma lactis. The molds are set apart from bac- teria and yeasts in that they are multicellular. The following varieties may be met with in a microbiological examination of foods. Rhizopus. The most common member of this group is Rhizopus nigricans. It is the common black bread mold and may be responsible for other food spoilage. Stevens (1917) has shown that this fungus causes the rot of strawberries during shipment. This work verif

RF2G69X7G–Cyclic Symmetric Multiscale Turing Pattern. Monochrome texture

RMHRJP7J–Aspergillus Fungus, SEM

. Principles of modern biology. Biology. 286 - Multicellular Animals, Especially Man C. D EHm. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Marsland, Douglas, 1899-. New York, Holt, Rinehart and Winston Stock Photo

RMRDYTXH–. Principles of modern biology. Biology. 286 - Multicellular Animals, Especially Man C. D EHm. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Marsland, Douglas, 1899-. New York, Holt, Rinehart and Winston

RFRTKRRJ–Smooth fronted caiman (Paleosuchus trigonatus) is the second smallest caiman

RFWA0T1R–Isolated object of fiber and muscular icon. Collection of fiber and body stock vector illustration.

. The structure and development of mosses and ferns (Archegoniatae). Plant morphology; Mosses; Ferns. VI. THE BRYALES iig of structure. Tetraphis pelhicida is a small Moss, which at the apex of its vegetative branches bears peculiar receptacles containing multicellular gemmas of a very characteristic form. The leaves that form the receptacle are smaller than the stem leaves, and closely set so as to form a sort of cup in which the gemmae are produced in large numbers. These arise as slender multicellular hairs, the end cell of which enlarges and forms a disc, at first one-layered, but later, b Stock Photo

RMPG05FB–. The structure and development of mosses and ferns (Archegoniatae). Plant morphology; Mosses; Ferns. VI. THE BRYALES iig of structure. Tetraphis pelhicida is a small Moss, which at the apex of its vegetative branches bears peculiar receptacles containing multicellular gemmas of a very characteristic form. The leaves that form the receptacle are smaller than the stem leaves, and closely set so as to form a sort of cup in which the gemmae are produced in large numbers. These arise as slender multicellular hairs, the end cell of which enlarges and forms a disc, at first one-layered, but later, b

RF2GEGCA2–Cyclic Symmetric Multiscale Turing Pattern. Monochrome texture

RF2F5T9N1–Cyclic Symmetric Multiscale Turing Pattern. Monochrome texture

RMHRJP7H–Aspergillus Fungus, SEM

. Principles of modern biology. Biology. 220 - Multicellular Plants. T^uss rtujawer.'St MATURE SEED Fig. 12-19. Reproductive stages in an angiosperm.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Marsland, Douglas, 1899-. New York, Holt, Rinehart and Winston Stock Photo

RMRDYW82–. Principles of modern biology. Biology. 220 - Multicellular Plants. T^uss rtujawer.'St MATURE SEED Fig. 12-19. Reproductive stages in an angiosperm.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Marsland, Douglas, 1899-. New York, Holt, Rinehart and Winston

Catfish swimming on the bed of a river Stock Photo

RFRTKRX4–Catfish swimming on the bed of a river

RF2A3JCW7–Vector illustration of fiber and muscular icon. Set of fiber and body stock vector illustration.

. The structure and development of mosses and ferns (Archegoniatae). Plant morphology; Mosses; Ferns. VII PTERIDOPHYTA—FILICINE^—OPHIOGLOSSACEM 239 granular matter. In these cells is found an endophytic fungus, which probably acts as a mycorhiza. Multicellular hairs are found growing from the upper surface of the prothallium. The growth of the prothallium is distinctly apical, and a single definite apical cell seemed to be present, although it is possible that there may be more than one initial. The infection of the thallus by the mycorhizal fungus is chiefly through the short rhizoids upon th Stock Photo

RMPG05DX–. The structure and development of mosses and ferns (Archegoniatae). Plant morphology; Mosses; Ferns. VII PTERIDOPHYTA—FILICINE^—OPHIOGLOSSACEM 239 granular matter. In these cells is found an endophytic fungus, which probably acts as a mycorhiza. Multicellular hairs are found growing from the upper surface of the prothallium. The growth of the prothallium is distinctly apical, and a single definite apical cell seemed to be present, although it is possible that there may be more than one initial. The infection of the thallus by the mycorhizal fungus is chiefly through the short rhizoids upon th

RF2F5TAND–Cyclic Symmetric Multiscale Turing Pattern. Monochrome texture

. The Eusporangiatae; the comparative morphology of the Ophioglossaceae and Marattiaceae. Ophioglossaceae; Marattiaceae. THE GAMETOPHYTE 127 layers of cells. The form and division of the apical cells is exactly the same as in the other Marattiaceae. Stiff brown rhizoids are developed upon the lower surface and are mainly confined to the midrib, over which they may be evenly distributed, or there may be certain regions of considerable extent which are quite destitute of them. The rhizoids in all the species which have yet been examined are truly multicellular, as was correctly shown by Brebner Stock Photo

RMRE0PYF–. The Eusporangiatae; the comparative morphology of the Ophioglossaceae and Marattiaceae. Ophioglossaceae; Marattiaceae. THE GAMETOPHYTE 127 layers of cells. The form and division of the apical cells is exactly the same as in the other Marattiaceae. Stiff brown rhizoids are developed upon the lower surface and are mainly confined to the midrib, over which they may be evenly distributed, or there may be certain regions of considerable extent which are quite destitute of them. The rhizoids in all the species which have yet been examined are truly multicellular, as was correctly shown by Brebner

Clown anemonefish (Amphiprion ocellaris) the most iconic fish of the coral reef Stock Photo

RFRTKRGP–Clown anemonefish (Amphiprion ocellaris) the most iconic fish of the coral reef

RF2A293JX–Vector design of fiber and muscular icon. Set of fiber and body stock vector illustration.

. A textbook of botany for colleges and universities ... Botany. form as in root hairs, and (2) the observed rise of colored fluids and the crystallization within the rhizoids of the Marchantiaceae of absorbed salts (as Berlin blue). The special advantage of the peg rhizoids, though much discussed, is not known. Moss rhizoids. — Structure and habitat variation. —Moss rhizoids commonly are brownish, branched, multicellular cell filaments with oblique cross walls. Often they have a rootlike aspect, by reason of a strong central trunk with small lateral branches (figs. 747, 748). Some mosses (as Stock Photo

RMPG217H–. A textbook of botany for colleges and universities ... Botany. form as in root hairs, and (2) the observed rise of colored fluids and the crystallization within the rhizoids of the Marchantiaceae of absorbed salts (as Berlin blue). The special advantage of the peg rhizoids, though much discussed, is not known. Moss rhizoids. — Structure and habitat variation. —Moss rhizoids commonly are brownish, branched, multicellular cell filaments with oblique cross walls. Often they have a rootlike aspect, by reason of a strong central trunk with small lateral branches (figs. 747, 748). Some mosses (as

RF2F5TAAN–Cyclic Symmetric Multiscale Turing Pattern. Monochrome texture

. Principles of modern biology. Biology. 450 - Multicellular Animals, Especially Man NUCLEUS. NUCLEUS- MUSCLE PROCESS EPITHELIOMUSCLE CELL MYOFIBRILS NUCLEUS NERVE FIBERS SENSORY CELL NERVE FIBERS. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Marsland, Douglas, 1899-. New York, Holt, Rinehart and Winston Stock Photo

RMRDYT4W–. Principles of modern biology. Biology. 450 - Multicellular Animals, Especially Man NUCLEUS. NUCLEUS- MUSCLE PROCESS EPITHELIOMUSCLE CELL MYOFIBRILS NUCLEUS NERVE FIBERS SENSORY CELL NERVE FIBERS. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Marsland, Douglas, 1899-. New York, Holt, Rinehart and Winston

Arrau turtle (Podocnemis expansa) can be found in South America Stock Photo

RFRTKRR1–Arrau turtle (Podocnemis expansa) can be found in South America

RF2A1DF79–Vector illustration of fiber and muscular icon. Collection of fiber and body stock symbol for web.

. A biochemic basis for the study of problems of taxonomy, heredity, evolution, etc., with especial reference to the starches and tissues of parent-stocks and hybrid-stocks and the starches and hemoglobins of varieties, species, and genera. Starch; Biochemistry; Plant hybridization; Plants. 166. Ipomcea coccinea. Transverse section; petiole of mature leaf equidistant from the lamina and the base. 167. Ipomaea quamoclit. The same. 168. I-pomoea sloteri. The same. 169. Ipomcea coccinea. Multicellular protuberances at base of petiole. 170. Ipomcea quamoclit. The same. 171. Ipomcea sloteri. The sa Stock Photo

RMPG19N5–. A biochemic basis for the study of problems of taxonomy, heredity, evolution, etc., with especial reference to the starches and tissues of parent-stocks and hybrid-stocks and the starches and hemoglobins of varieties, species, and genera. Starch; Biochemistry; Plant hybridization; Plants. 166. Ipomcea coccinea. Transverse section; petiole of mature leaf equidistant from the lamina and the base. 167. Ipomaea quamoclit. The same. 168. I-pomoea sloteri. The same. 169. Ipomcea coccinea. Multicellular protuberances at base of petiole. 170. Ipomcea quamoclit. The same. 171. Ipomcea sloteri. The sa

RF2F65BKG–Cyclic Symmetric Multiscale Turing Pattern. Monochrome texture

. A text-book of comparative physiology [microform] : for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative; Veterinary physiology; Physiologie comparée; Physiologie vétérinaire. as COMI'ARATTVE PHYSIOLOGY. form of segmentation than as applicable to all, for even at this early stage differences are to be noted in the mode of seg- mentation which characterize effectually certain groups of ani- mals ; but in all there is segmentation, and that segmentation is rhythmical. Segmentation results in the formation of a multicellular aggregation which, sooner or l Stock Photo

RMREW1E6–. A text-book of comparative physiology [microform] : for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative; Veterinary physiology; Physiologie comparée; Physiologie vétérinaire. as COMI'ARATTVE PHYSIOLOGY. form of segmentation than as applicable to all, for even at this early stage differences are to be noted in the mode of seg- mentation which characterize effectually certain groups of ani- mals ; but in all there is segmentation, and that segmentation is rhythmical. Segmentation results in the formation of a multicellular aggregation which, sooner or l

Bar jack (Caranx ruber) swimming in the sea in black and white Stock Photo

RFRTKT0P–Bar jack (Caranx ruber) swimming in the sea in black and white

RFW6NP5X–Vector illustration of fiber and muscular icon. Set of fiber and body stock symbol for web.

. The structure and development of mosses and ferns (Archegoniatae). Plant morphology; Mosses; Ferns. 02 MOSSES AND FERNS CHAP. later showing a division into ventral and dorsal cells. Prob- ably this type has been derived from the former by a gradual increase in the size of the angle formed by the dorsal and ven- tral walls of the apical cell, which finally became so great as to practically form one plane. Th6 antheridium of Pellia is larger than that of Aneura, but its' development is very similar except that the stalk is multicellular, as it is in the; other An^crogynse. The sperma- tozoids Stock Photo

RMPG05TR–. The structure and development of mosses and ferns (Archegoniatae). Plant morphology; Mosses; Ferns. 02 MOSSES AND FERNS CHAP. later showing a division into ventral and dorsal cells. Prob- ably this type has been derived from the former by a gradual increase in the size of the angle formed by the dorsal and ven- tral walls of the apical cell, which finally became so great as to practically form one plane. Th6 antheridium of Pellia is larger than that of Aneura, but its' development is very similar except that the stalk is multicellular, as it is in the; other An^crogynse. The sperma- tozoids

RF2F5TA1F–Cyclic Symmetric Multiscale Turing Pattern. Monochrome texture

RMRHYWC4–. A text-book of comparative physiology [microform] : for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative; Veterinary physiology; Physiologie comparée; Physiologie vétérinaire. as COMI'ARATTVE PHYSIOLOGY. form of segmentation than as applicable to all, for even at this early stage differences are to be noted in the mode of seg- mentation which characterize effectually certain groups of ani- mals ; but in all there is segmentation, and that segmentation is rhythmical. Segmentation results in the formation of a multicellular aggregation which, sooner or l

Banggai cardinalfish (Pterapogon kauderni) original from Indonesia are endangered Stock Photo

RFRTKRN9–Banggai cardinalfish (Pterapogon kauderni) original from Indonesia are endangered

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. Studies in fossil botany . Paleobotany. MEDULLOSEAE 459 Renault, however, actually anticipated the discovery of Ikeno and Hirase. In an allied seed, Aetheotesta, as well as in Steplianospermum itself, the cell-walls of the pollen-grains which they contain are perforated, and Renault suggested, in 1887, "that the perforations served for the passage of mobile bodies analogous to antherozoids." He adds : " We do not regard as. Fig. 174.—Slephmwspermmn a-kenioidcs. Multicellular pollen-grains in pollen-chamber ; some shreds of the wall extend into the cavity. The middle pollen-gra Stock Photo

RMPG0D7W–. Studies in fossil botany . Paleobotany. MEDULLOSEAE 459 Renault, however, actually anticipated the discovery of Ikeno and Hirase. In an allied seed, Aetheotesta, as well as in Steplianospermum itself, the cell-walls of the pollen-grains which they contain are perforated, and Renault suggested, in 1887, "that the perforations served for the passage of mobile bodies analogous to antherozoids." He adds : " We do not regard as. Fig. 174.—Slephmwspermmn a-kenioidcs. Multicellular pollen-grains in pollen-chamber ; some shreds of the wall extend into the cavity. The middle pollen-gra

RF2F65CMT–Cyclic Symmetric Multiscale Turing Pattern. Monochrome texture

. Principles of modern biology. Biology. 274 - Multicellular Animals, Especially Man TAIL- MIDDLE PIECE. ACROSOME FILAMENT VITELLINE MEMBRANE CYTOPLASM- A SURFACE OF JELLY COAT FERTILIZATION CONE. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Marsland, Douglas, 1899-. New York, Holt, Rinehart and Winston Stock Photo

RMRDYW01–. Principles of modern biology. Biology. 274 - Multicellular Animals, Especially Man TAIL- MIDDLE PIECE. ACROSOME FILAMENT VITELLINE MEMBRANE CYTOPLASM- A SURFACE OF JELLY COAT FERTILIZATION CONE. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Marsland, Douglas, 1899-. New York, Holt, Rinehart and Winston

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Vector design of fiber and muscular symbol. Collection of fiber and body stock symbol for web. Stock Vector

RFWT68T9–Vector design of fiber and muscular symbol. Collection of fiber and body stock symbol for web.

. Botany for agricultural students . Botany. 306 THALLOPHYTES vitally related that the colony of Volvox may be regarded as a multicellular individual rather than a colony. Re'production presents some interesting features. At first all cells of the colony are alike, but later considerable differentiation among cells occurs. Some cells of the colony enlarge and pass. Fig. 261. — Volvox. In the colony {Volvox aureus) the smaller cells bear- ing two cilia are the vegetative cells, the enlarged cells (a) contain sperms, and the enlarged cells (o), varying in size and stages of development, are eggs Stock Photo

RMPG4BD6–. Botany for agricultural students . Botany. 306 THALLOPHYTES vitally related that the colony of Volvox may be regarded as a multicellular individual rather than a colony. Re'production presents some interesting features. At first all cells of the colony are alike, but later considerable differentiation among cells occurs. Some cells of the colony enlarge and pass. Fig. 261. — Volvox. In the colony {Volvox aureus) the smaller cells bear- ing two cilia are the vegetative cells, the enlarged cells (a) contain sperms, and the enlarged cells (o), varying in size and stages of development, are eggs

RF2F5TB9C–Cyclic Symmetric Multiscale Turing Pattern. Monochrome texture

. A text-book of comparative physiology for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative. 68 COMPARATIVE PHYSIOLOGY. form of segmentation than as applicable to all, for even at this early stage differences are to be noted in the mode of seg- mentation which characterize effectually certain groups of ani- mals ; but in all there is segmentation, and that segmentation is rhythmical. Segmentation results in the formation of a multicellular aggregation which, sooner or later, incloses a central cavity (segmentation cavity, blastocele). Usually this cell Stock Photo

RMRE04PG–. A text-book of comparative physiology for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative. 68 COMPARATIVE PHYSIOLOGY. form of segmentation than as applicable to all, for even at this early stage differences are to be noted in the mode of seg- mentation which characterize effectually certain groups of ani- mals ; but in all there is segmentation, and that segmentation is rhythmical. Segmentation results in the formation of a multicellular aggregation which, sooner or later, incloses a central cavity (segmentation cavity, blastocele). Usually this cell

Pair of lookdown fish (Selene vomer) Stock Photo

RFRTKT0X–Pair of lookdown fish (Selene vomer)

Vector design of fiber and muscular symbol. Collection of fiber and body stock vector illustration. Stock Vector

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. The structure and development of mosses and ferns (Archegoniatae). Plant morphology; Mosses; Ferns. SS2 MOSSES AND FERNS CHAP. About the time that the young sporophyte breaks through the prothalhum, the second leaf begins to develop. The grow- ing point (Fig. 318, st) now lies in the groove between the base of the root and the cotyledon, and its nearly flat surface is at right angles to the axis of the latter. The second leaf (L^) arises as a slight elevation on the side of the stem directly opposite the cotyledon. From the first it is multicellular, and its growth is entirely like that of t Stock Photo

RMPG04EN–. The structure and development of mosses and ferns (Archegoniatae). Plant morphology; Mosses; Ferns. SS2 MOSSES AND FERNS CHAP. About the time that the young sporophyte breaks through the prothalhum, the second leaf begins to develop. The grow- ing point (Fig. 318, st) now lies in the groove between the base of the root and the cotyledon, and its nearly flat surface is at right angles to the axis of the latter. The second leaf (L^) arises as a slight elevation on the side of the stem directly opposite the cotyledon. From the first it is multicellular, and its growth is entirely like that of t

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