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Cuboidal epithelium Stock Photos and Images
RF2G3M5W0–Epithelial tissues are classified by the number of their layers and by the shape and function of the cells
RF2T3G7GB–Stratified cuboidal epithelium. Epithelial tissue types. Multiple layers of cube-like cells. Occurs in the excretory ducts of sweat glands. Vector
RF2DHC7P2–Skin Cells and Structure Layers of epidermis. cornified (stratum corneum), clear or translucent layer (lucidum), granular (stratum granulosum)
RMRJ4KF2–. Chordate anatomy. Chordata; Anatomy, Comparative. 330 CHORDATE ANATOMY The most important, if not the exclusive, endocrinal secretion of the thyroid gland is an iodine compound, thyroxine, the empirical chemical formula for which is C15H11O4NI4. A substance with identical properties has been made synthetically, and it is generally the synthetic drug which is used in medical practice.. Fig. 293. CONNECTIVE VjO .''''TISSUE COLLOID '•Jj BLOOD VESSEL FOLLICLE .CUBOIDAL EPITHELIUM -A portion of a section of the thyroid gland, enlarged, showing the secretory epithelium and the colloid-filled folli
RF2R5PEG3–Thyroid follicles are structural units within the thyroid gland that play a crucial role in hormone production.
RF2J73301–epithelial tissue cells: squamous (flattened, thin), cuboidal (boxy, as wide as it is tall), columnar (rectangular), pseudostratified.
RMMA728Y–. The effects of inanition and malnutrition upon growth and structure . Fig. 113.—A small portion of a section from the thyroid gland in a normal albino rat (S. 9.47) 22 days old. Zenker fixation; hematoxylin-eosin stain. X750. The normal histological structure is shown, with several follicles containing colloid. Follicular epithelium cuboidal; cytoplasm abundant and granular, with a few scattered vacuoles. The fibrous stroma is scanty, with a rich blood-vascular plexus. (Jackson '16.) McCarrison ('21) observed a marked decrease in the weight of the thyroid gland in starved pigeons, though rel
RF2T3ABMN–Simple cuboidal epithelium. Epithelial tissue types. A single layer of cube-like cells that provide protection and may be active or passive. Vector
RM2AG57JB–. Gynecological pathology; a manual of microscopic technique and diagnosis in gynecological practice, for students and physicians. helium 7 Germinallayer FlGUEE 81.—WOLFFIAN BODY TUBULES, COMBINED DRAWING. HUMAN EMBBTO 10.2 MM. Long. (After Kallmann.) Near the celom develop capsules with, glomeruli. The Malpighianbodies are like those of the kidney with Bowmans capsule and vesselknots. The tubules are twisted and lined with cuboidal epithelium; thepart near the glomerulus is wide and is lined with large cuboidal ciliated Mesoderm Cephalic intest. Lung formation Liver formationI StomachJ Pancre
RF2T3G8X5–Simple cuboidal epithelium. Epithelial tissue types. A single layer of cube-like cells that provide protection and may be active or passive. Vector
RM2AG5DJB–. Gynecological pathology; a manual of microscopic technique and diagnosis in gynecological practice, for students and physicians. thelium of the follicle disappears and is replaced by fluid.The lining of the cyst wall consists of cuboidal epithelium. If theprocess is far advanced the greater portion of the interstitial tissue maybe replaced by cysts. In the early stages the remaining interstitialtissue is infiltrated with small cells. The cysts, as a rule, attain the sizeof a ripe Graafian follicle; still larger ones have been observed. In thelatter the epithelium lining the wall is destroyed
RF2F7MNYC–The texture of the dermis. Background epidermis. Cytology histological structure of the skin. Background of the epithelium. Vector illustration
RF2T3ABRX–Stratified cuboidal epithelium. Epithelial tissue types. Multiple layers of cube-like cells. Occurs in the excretory ducts of sweat glands. Vector
RM2ANFBNC–AMAarchives of neurology & psychiatry . eshes ofwhich were occasional blood vessels, and in several places hairs. The innerlayer was composed of cuboidal epithelium, in most places 1 or 2 cells deep,but in other places widening out to a depth of 8 or 10 cells. At the posterior end of the tumor, the outer connective tissue layer of thewall was enormously widened into what appeared to be the stalk of the tumorwhere it had its attachment. In this stalk were numerous blood vessels, agreat many hair follicles and many sebaceous gland cells surrounded by fat(Fig. 11). Most of the hair follicles poin
RF2BM2E8G–The texture of the dermis. Background epidermis. Cytology histological structure of the skin. Background of the epithelium. Vector illustration
RF2RWW3Y4–Simple cuboidal epithelium. Epithelial tissue types. A single layer of cube-like cells that provide protection and may be active or passive. Vector
RM2AWYGXW–Treatise on gynæcology : medical and surgical . Fig. 99.—Interstitial Endometritis with Complete Atrophy of the Glands (Wyder). A, Cysticformation, last trace of glands; B, all vestige of gland tissue disappeared. cuboidal epithelium and surrounded by bands of connective, tissuewith fusiform cells. At places there are evidently no glands present,aud the mucous membrane is represented by a homogeneous connectivetissue which possesses no cells and is arranged in many bundles, thewhole being clearly marked off by a sharp line from the musculartissue. Near the surface this formation is smooth in p
RF2F7MNYA–The texture of the dermis. Background epidermis. Cytology histological structure of the skin. Background of the epithelium. Vector illustration
RF2RXA923–Stratified cuboidal epithelium. Epithelial tissue types. Multiple layers of cube-like cells. Occurs in the excretory ducts of sweat glands. Vector
![The Journal of laboratory and clinical medicine . ?r^r f-i.< i.-i a *l*^-, V* ... •:vi ^:^4 r^ Fi,. 6.-A section of th^ d^sa, ^^^^^^t^^yJ^-^posterior to the central canal Y];^^,^^ies Goosmann.)tral area of degeneration. (By Ur- ^-Haries o or somewhat fan-shaped area latero-plial cells, and whicli shows a c-n- 252 The Journal of Laboratory and Clinical Medicine canal is considerably dilated (Figs. 4 and 5) and lined with a cuboidal, or evena flat cuboidal epithelium. About it are a moderately increased number of small round cells. Sections made 17 cm. above the tip of the cauda.—In these s Stock Photo](https://c8.alamy.com/comp/2ANDYN3/the-journal-of-laboratory-and-clinical-medicine-rr-f-ilt-i-i-a-l-v-vi-4-r-fi-6-a-section-of-th-dsa-tyj-posterior-to-the-central-canal-y-ies-goosmanntral-area-of-degeneration-by-ur-haries-o-or-somewhat-fan-shaped-area-latero-plial-cells-and-whicli-shows-a-c-n-252-the-journal-of-laboratory-and-clinical-medicine-canal-is-considerably-dilated-figs-4-and-5-and-lined-with-a-cuboidal-or-evena-flat-cuboidal-epithelium-about-it-are-a-moderately-increased-number-of-small-round-cells-sections-made-17-cm-above-the-tip-of-the-caudain-these-s-2ANDYN3.jpg "The Journal of laboratory and clinical medicine . ?r^r f-i.< i.-i a *l*^-, V* ... •:vi ^:^4 r^ Fi,. 6.-A section of th^ d^sa, ^^^^^^t^^yJ^-^posterior to the central canal Y];^^,^^ies Goosmann.)tral area of degeneration. (By Ur- ^-Haries o or somewhat fan-shaped area latero-plial cells, and whicli shows a c-n- 252 The Journal of Laboratory and Clinical Medicine canal is considerably dilated (Figs. 4 and 5) and lined with a cuboidal, or evena flat cuboidal epithelium. About it are a moderately increased number of small round cells. Sections made 17 cm. above the tip of the cauda.—In these s Stock Photo")
RM2ANDYN3–The Journal of laboratory and clinical medicine . ?r^r f-i.< i.-i a *l*^-, V* ... •:vi ^:^4 r^ Fi,. 6.-A section of th^ d^sa, ^^^^^^t^^yJ^-^posterior to the central canal Y];^^,^^ies Goosmann.)tral area of degeneration. (By Ur- ^-Haries o or somewhat fan-shaped area latero-plial cells, and whicli shows a c-n- 252 The Journal of Laboratory and Clinical Medicine canal is considerably dilated (Figs. 4 and 5) and lined with a cuboidal, or evena flat cuboidal epithelium. About it are a moderately increased number of small round cells. Sections made 17 cm. above the tip of the cauda.—In these s
RF2BM2E8K–The texture of the dermis. Background epidermis. Cytology histological structure of the skin. Background of the epithelium. Vector illustration
RM2CD8AG9–. Gynecology : . • 9 $>. Fig. 27.—Bartholins Gland.High power. From top of same section as previous drawing, showing the duct which is linedby low cuboidal epithelium and the glands which are lined by a single layer of high cells which secretemucus. then cause a retention cyst. This is a late phase of Bartholinitis and does notappear until long after the active process has ceased, sometimes many yearsafter. These cysts may regress and then recur after considerable lapse of time,or they may become permanent and slowly grow into quite large tumors. Theydo not give much pain, but they often in
RFM1HYG7–Types of epithelium. squamous, cubic, ciliated, glandular. Set Infographics Vector illustration on isolated background
RMREF85H–. Comparative anatomy. Anatomy, Comparative. 456 COMPARATIVE ANATOMY for acid dyes such as eosin. The colloid is evidently a secretion of the cuboidal epithelium and is generally assumed to be a store of the hormone. Physiology. The most important, if not the exclusive, endocrinal secretion of the thyroid gland is an iodine compound thyroxine, the empirical chemical formula for which is C15H11O4NI4. A substance with identical properties has been made synthetically, and it is generally the synthetic drug which is used in medical practice. One function of thyroxine is to control metabolism, espe
RMRG3P82–. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 238 CALIFORNIA FISH AND CAME. FIGURE 4. Cross-section through the ovary of Embiotoca jacksonishoWr% folding of median fins (A) and juxtaposition with ovigerous folds (B). The ovigerous folds are seen to be covered by tall cuboidal epithelium cells (C) under which lies a layer of connective tissue (D). Photograph by D. W. Behrens. Fecundity The size of the mother relative to the number of embryos present shows a positive correlation
RMRHKNP8–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 300 M. K. MONTGOMERY AND M. McFALL-NGAI vjmr i>'-'- ftl. Figure 4. Transmission electron micrograph of the light organ of a juvenile 24 h post-hatch. The crypts, populated with bacterial symbionts. are lined with a simple cuboidal epithelium whose apical surface bears an extensive brush border of microvilli. This epithelial cell layer is surrounded by a layer ot blood vessels and connective tissue. The reflector is composed of several layers of electron-dense platelets, and is immediately adjacent to the ink sac whose in
RMRHK5M6–. Biology of the laboratory mouse. Mice as laboratory animals; Mice; Animals, Laboratory; Mice. HISTOLOGY 145 hematoxylin-eosin stains. The cells rest on a well developed basement membrane. Occasionally the gland may be distended and contain large central cavities into which the tubules and acini open directly. In the lower part of the body a duct lined by cuboidal epithelium is present which anasto- moses with the central ducts of the gland lobules of the tail. The gland lobules of the tail are composed of small alveoli lined by low columnar cells which have dark, round nuclei near the base a
RMRJ6YK7–. Chordate morphology. Morphology (Animals); Chordata. Figure 8-3. Development of the human epidermis and hair follicle. A, epidermis of 2.1 -mm embryo; B, epidermis of 16-mm embryo; C, epidermis of 32-mm embryo; D, epidermis of 85-mm embryo; E to H, progressive stages in the development of the follicle and hair. (After Patten, 1946) of the snout. It is not strengthened by a bony core as in the cow but is seated on a bony knob of the skull. The pointed tip is produced and maintained by wear. Bmbryological development The ectoderm is at first a simple cuboidal epithelium which gradually becomes
RMRJ4KEK–. Chordate anatomy. Chordata; Anatomy, Comparative. Fig. 293. CONNECTIVE VjO .''''TISSUE COLLOID '•Jj BLOOD VESSEL FOLLICLE .CUBOIDAL EPITHELIUM -A portion of a section of the thyroid gland, enlarged, showing the secretory epithelium and the colloid-filled follicles.. Fig. 294.—Longitudinal section of head of 19-day Petromyzon embryo showing the relation of the thyroid anlage to the floor of the pharynx, ch, optic chiasma; ep, epiphysial outgrowth; h, hypophysial ingrowth; mcs, mesenteron; n, nasal epithelium; nc, notochord; oc, oral cavity; op, oral plate; sc, canal of spinal cord; th, thyroi
RMRHN5WR–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. »Cu - ';- :-V^&. FIGURE 2. Light micrograph of a sagittal section through a brooding operculum showing the columnar epithelium (CIE) bordering the opercular pore (OP), cuboidal epithelium (CbE), cuticle ( C'u). and embryos (Em) within the brood chamber. Scale equals 20 /j.. FIGURE 3. A thin section through the apical region of the columnar epithelium bordering the pore of a brooding operculum. Note the narrow diameter of the epithelial cells, the long microvilli (Mv) penetrating the filamentous cuticle (Cu), and a portio
RMRJ6YJT–. Chordate morphology. Morphology (Animals); Chordata. Figure 8-3. Development of the human epidermis and hair follicle. A, epidermis of 2.1 -mm embryo; B, epidermis of 16-mm embryo; C, epidermis of 32-mm embryo; D, epidermis of 85-mm embryo; E to H, progressive stages in the development of the follicle and hair. (After Patten, 1946) of the snout. It is not strengthened by a bony core as in the cow but is seated on a bony knob of the skull. The pointed tip is produced and maintained by wear. Bmbryological development The ectoderm is at first a simple cuboidal epithelium which gradually becomes
RMRFRYW2–. Carcinoma of the thyroid in the salmonoid fishes. Trout; Thyroid gland; Cancer; Goiter. Fk;. 17.—Wild l»rook trout from An Snble Kiver: S.2 cm. loiiy:; cross section showing distribution of nornutl th.n>i(l XSfi.. r.. 18.—AlKonquin wild brook trout: simple hyperplasia: high cuboidal epithelium n ,!n in others of colloid. Distinct hypericmia about follicles: increa.sed amount ul thi ruid. Kic. - . --. absence in others tion in some follicles and XS6.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and
RFB6E015–Eye lens, Coloured scanning electronmicrograph (SEM) of a freeze-fractured lens (crystalline lens) of an eye
![. Carcinoma of the thyroid in the salmonoid fishes. Cancer; Goiter; Thyroid gland; Trout. Fig. 17.âWild brook trout from .u Sable River: 8.2 cm. Ions: cross section shou-iiiE distribution of normal thyroid. XS6. 'â¢"^40j^-^, -â *^' djl^^^s^'^"' '*''. â '^rj2»'-' Fic. 18.âAlgonquin wild brook trout; simple hyperplasia: high cuboidal epithelium reduction in some follicles and absence in others of colloid. Distinct hyperaemia about follicles: increased amount of thyroid. XS6.. Please note that these images are extracted from scanned page images that may have been digitally enhanced fo Stock Photo](https://c8.alamy.com/comp/RFRY98/carcinoma-of-the-thyroid-in-the-salmonoid-fishes-cancer-goiter-thyroid-gland-trout-fig-17wild-brook-trout-from-u-sable-river-82-cm-ions-cross-section-shou-iiie-distribution-of-normal-thyroid-xs6-quot40j-djlsquot-rj2-fic-18algonquin-wild-brook-trout-simple-hyperplasia-high-cuboidal-epithelium-reduction-in-some-follicles-and-absence-in-others-of-colloid-distinct-hyperaemia-about-follicles-increased-amount-of-thyroid-xs6-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-fo-RFRY98.jpg ". Carcinoma of the thyroid in the salmonoid fishes. Cancer; Goiter; Thyroid gland; Trout. Fig. 17.âWild brook trout from .u Sable River: 8.2 cm. Ions: cross section shou-iiiE distribution of normal thyroid. XS6. 'â¢"^40j^-^, -â *^' djl^^^s^'^"' '*''. â '^rj2»'-' Fic. 18.âAlgonquin wild brook trout; simple hyperplasia: high cuboidal epithelium reduction in some follicles and absence in others of colloid. Distinct hyperaemia about follicles: increased amount of thyroid. XS6.. Please note that these images are extracted from scanned page images that may have been digitally enhanced fo Stock Photo")
RMRFRY98–. Carcinoma of the thyroid in the salmonoid fishes. Cancer; Goiter; Thyroid gland; Trout. Fig. 17.âWild brook trout from .u Sable River: 8.2 cm. Ions: cross section shou-iiiE distribution of normal thyroid. XS6. 'â¢"^40j^-^, -â *^' djl^^^s^'^"' '*''. â '^rj2»'-' Fic. 18.âAlgonquin wild brook trout; simple hyperplasia: high cuboidal epithelium reduction in some follicles and absence in others of colloid. Distinct hyperaemia about follicles: increased amount of thyroid. XS6.. Please note that these images are extracted from scanned page images that may have been digitally enhanced fo
RMRHKM1D–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. OYSTERS EXPOSED TO A DINOFLAGELLATE 325. Figure 9. Juvenile oysters. Sections of paraffin-embedded animals are stained with hematoxylin and eosin. (Bar = 40 Mm-) (A) A positive control animal (fed 100% T-ISO) shows moderate columnar absorptive cells) 1) and star-shaped lumens (2). (B) Starved juveniles show cuboidal epithelium (1) with dilated, rounded lumens (2). (C) Most EXUV-fed animals showed high-columnar epithelium with foamy cytoplasm (1) and small lumens (2). (D) Some EXUV-fed animals showed low-columnar epi- thelium
RM2ANBJ6H–Archives of internal medicine . Fig. 14.—Adenoma of intermediate type but closely ajjpioximating the truefetal adenoma. Ndtc tlie capsule with the tumor tissiie on one side and theoriginal thyroid (in tlic otlicr side.. Fig. 15.—True fetal adenoma. Section taken from central part of tumor wherefollicles are more separated. Note size, shape and arrangement of follicles, thelining epithelium and the absence of colloid. DAVID MAIUXE—C. //. LEX RANT 517 a general increase in its blood-supply, a general decrease in the stainablecolloid and a general change from cuboidal to columnar epithelium. Ifth
RM2AG22G1–. Operative gynecology. X 70 HYDEOSALPINX SIMPLEX., 201 ings, are separated from one another as a result of the distention; they are recog-nized as branched folds and fLngerlike projections.. Fig. 371.—Large Left Hydrosalpinx with Ncmekous Adhesions ; Nokmal Ovaries, Kight Tube, and Uterus.Drawn to scale below. March 30, 1895. The epithelium may retain its cilia even in a tube which is markedly dis-tended; it always occurs in a single layei, cylindrical and cuboidal.
RM2AKNY42–General principles of zoology . FIG. 24.—Various forms of the different epithelia. a, flattened epithelium of Sycandrara^/tanus, a in cross-section, a in surface view ; b and c, cuboidal and columnar epithe-lium of a snail (Haliotis tufrerculata) ; d, flagellated epithelium of an Actinian (Calli-actisparasitica.); e, ciliated epithelium from the intestine of the fresh-water mussel ; /,epithelium with cuticle of Cimbex coronatus (a wasp). the body—some because they have become useless, and con-sequently injurious (excreta), and others, as, for example,the digestive fluids, because they have to
RM2AKYF2K–Diagnostic methods, chemical, bacteriological and microscopical, a text-book for students and practitioners . hkarin, Russk. Vrach. 1915, XIV, 505. 35° DIAGNOSTIC METHODS. they are derived. As stratified epithelium is found in the pelvis of the kidney,the ureters, bladder, and urethra, it is to be expected that large flat cells,cuboidal cells, or columnar cells will appear depending upon the layer fromwhich the cell is derived. As the simple epithelium exists in the uriniferoustubules, the prostate gland, seminal vesicles, and ejaculatory ducts, the recog-nition of such cells will limit their
RM2ANBHYE–Archives of internal medicine . thelining epithelium and the absence of colloid. DAVID MAIUXE—C. //. LEX RANT 517 a general increase in its blood-supply, a general decrease in the stainablecolloid and a general change from cuboidal to columnar epithelium. Ifthese changes continue to the stage of cell proliferation, the conditionis properly designated as hyperplasia. There are all degrees of the abnor-mal cell growth from the slightest departure from normal (hypertrophy)to the marked proliferation (hyperplasia). Hyperplasia is the anatomical evidence of increased physiologicalactivity of the gl
RM2AFX4YR–. Studies on hypertrophy and cancer of the prostate. Fig. B.—The epithelial activity in one of the acini shown, has resultedm the formation of capillary loops. Note the very high character of theepithelium. due to infolding and often papillomatous-like proliferation of thelining wall (see Fig. A). The epithelium lining the acini presents a variety of pictures. Oneacinus may be lined by a double layer of cells, the internal being ahigh cylindrical type with the nucleus near the basal end and an in- 128 Hugh H. Young. ternal layer of rather cuboidal-shaped cells. Again there may bebut a single
RM2AG227R–. Operative gynecology. Fig. 371.—Large Left Hydrosalpinx with Ncmekous Adhesions ; Nokmal Ovaries, Kight Tube, and Uterus.Drawn to scale below. March 30, 1895. The epithelium may retain its cilia even in a tube which is markedly dis-tended; it always occurs in a single layei, cylindrical and cuboidal.. Fig. 372.—Double Hydrosalpinx, with Adhesions bridging the Angles in the Tubes and bindinoDOWN the Uterus by its 1osterior Surface. May 21, 1895. Natural Size. 202 SIMPLE SALPINGO-OOPHOKECTOMY FOR ADHERENT TUBES AND OVARIES. In some cases calcified plates are found, and in one of my patients I
RM2CDM915–. A treatise on diseases of the eye . with the sclera—the ftidcus sclera-. Although oval in foi-manteriorly, posteriorly the cornea is circular. The sc-Jcia overlaps the 54 ANATOMY corneal tissue externally, the overlapping being greatest above andbelow. Layers.—The cornea is composed of five layers (Fig, 26, transversesection of the cornea): 1. Epithelial Layer.—This layer is stratified. The superficial layerof cells is composed of tessellated or pavement epithelium. The cellsof the middle layer are irregularly cuboidal in form, and are suppliedwith numerous fine processes (prickle cells), wh
RMRN5060–. Anatomy, descriptive and applied. Anatomy. Fig. 1174.—Diagrammatic representation of the female reproductive organs and their relations to the bladder and urethra, lateral view. (Toldt.) Structure (Figs. 1175, 1176, and 1184).—The ovary consists of the cortex and medulla, in the former of which are founi) the Graafian follicles and theu- remains and the hilum of the ovary. The cortex consists of stroma and Graafian follicles. Peripherally, the stroma is condensed to form a capsule, the tunica albuginea, which is covered by a layer of cuboidal epithelial cells called the germinal epithelium,
RMRE06FT–. A laboratory manual and text-book of embryology. Embryology. THE DEVELOPMENT OF THE TEETH l65 The enamel cells about the future root of the tooth remain cuboidal or low col- umnar in form, come into contact with the outer enamel cells and the two layers constitute the epithelial sheath of the root which does not produce enamel prisms. The Dental Papilla.—The outermost cells of the dental papilla at the end of the fourth month arrange themselves as a definite layer of columnar epithelium. Since they produce the dentine, or dental bone, these cells are known as odonto- blasts. When the dentine
![. Chordate anatomy. Chordata; Anatomy, Comparative. -^-'- 3 7-, © ., ^.& ai"^ Conn, tissue. Squam.epith. Fig 77.—At left, section of the allantois and amnion of a pig embryo at a region where the mesodermal layers of the two membranes have coalesced. The section is perpendicular to the surfaces of the allantois (above) and the amnion (below). At right, surface view of allantois. The allantoic epithelium is cuboidal, the amnionic epithelium is squamous. The "top plate" is a superficial denser layer of the cell; "terminal bars" are thickenings of intercellular substa Stock Photo](https://c8.alamy.com/comp/RJ5BRP/chordate-anatomy-chordata-anatomy-comparative-3-7-amp-aiquot-conn-tissue-squamepith-fig-77at-left-section-of-the-allantois-and-amnion-of-a-pig-embryo-at-a-region-where-the-mesodermal-layers-of-the-two-membranes-have-coalesced-the-section-is-perpendicular-to-the-surfaces-of-the-allantois-above-and-the-amnion-below-at-right-surface-view-of-allantois-the-allantoic-epithelium-is-cuboidal-the-amnionic-epithelium-is-squamous-the-quottop-platequot-is-a-superficial-denser-layer-of-the-cell-quotterminal-barsquot-are-thickenings-of-intercellular-substa-RJ5BRP.jpg ". Chordate anatomy. Chordata; Anatomy, Comparative. -^-'- 3 7-, © ., ^.& ai"^ Conn, tissue. Squam.epith. Fig 77.—At left, section of the allantois and amnion of a pig embryo at a region where the mesodermal layers of the two membranes have coalesced. The section is perpendicular to the surfaces of the allantois (above) and the amnion (below). At right, surface view of allantois. The allantoic epithelium is cuboidal, the amnionic epithelium is squamous. The "top plate" is a superficial denser layer of the cell; "terminal bars" are thickenings of intercellular substa Stock Photo")
RMRJ5BRP–. Chordate anatomy. Chordata; Anatomy, Comparative. -^-'- 3 7-, © ., ^.& ai"^ Conn, tissue. Squam.epith. Fig 77.—At left, section of the allantois and amnion of a pig embryo at a region where the mesodermal layers of the two membranes have coalesced. The section is perpendicular to the surfaces of the allantois (above) and the amnion (below). At right, surface view of allantois. The allantoic epithelium is cuboidal, the amnionic epithelium is squamous. The "top plate" is a superficial denser layer of the cell; "terminal bars" are thickenings of intercellular substa
![. Chordate anatomy. Chordata; Anatomy, Comparative. -^-'- 3 7-, © ., ^.& ai"^ Conn, tissue. Squam.epith. Fig 77.—At left, section of the allantois and amnion of a pig embryo at a region where the mesodermal layers of the two membranes have coalesced. The section is perpendicular to the surfaces of the allantois (above) and the amnion (below). At right, surface view of allantois. The allantoic epithelium is cuboidal, the amnionic epithelium is squamous. The "top plate" is a superficial denser layer of the cell; "terminal bars" are thickenings of intercellular substa Stock Photo](https://c8.alamy.com/comp/RJ5BRK/chordate-anatomy-chordata-anatomy-comparative-3-7-amp-aiquot-conn-tissue-squamepith-fig-77at-left-section-of-the-allantois-and-amnion-of-a-pig-embryo-at-a-region-where-the-mesodermal-layers-of-the-two-membranes-have-coalesced-the-section-is-perpendicular-to-the-surfaces-of-the-allantois-above-and-the-amnion-below-at-right-surface-view-of-allantois-the-allantoic-epithelium-is-cuboidal-the-amnionic-epithelium-is-squamous-the-quottop-platequot-is-a-superficial-denser-layer-of-the-cell-quotterminal-barsquot-are-thickenings-of-intercellular-substa-RJ5BRK.jpg ". Chordate anatomy. Chordata; Anatomy, Comparative. -^-'- 3 7-, © ., ^.& ai"^ Conn, tissue. Squam.epith. Fig 77.—At left, section of the allantois and amnion of a pig embryo at a region where the mesodermal layers of the two membranes have coalesced. The section is perpendicular to the surfaces of the allantois (above) and the amnion (below). At right, surface view of allantois. The allantoic epithelium is cuboidal, the amnionic epithelium is squamous. The "top plate" is a superficial denser layer of the cell; "terminal bars" are thickenings of intercellular substa Stock Photo")
RMRJ5BRK–. Chordate anatomy. Chordata; Anatomy, Comparative. -^-'- 3 7-, © ., ^.& ai"^ Conn, tissue. Squam.epith. Fig 77.—At left, section of the allantois and amnion of a pig embryo at a region where the mesodermal layers of the two membranes have coalesced. The section is perpendicular to the surfaces of the allantois (above) and the amnion (below). At right, surface view of allantois. The allantoic epithelium is cuboidal, the amnionic epithelium is squamous. The "top plate" is a superficial denser layer of the cell; "terminal bars" are thickenings of intercellular substa
RMRJ50EG–. The chordates. Chordata. 304 Basic Structure of Vertebrates Simple Epithelium. An epithelium only one cell in thickness is termed simple. There is, however, great variation in the thickness of simple epithelia. The cells, seen in sections perpendicular to the sur- face, may be approximately square in outline. Such an epithelium is called cuboidal (Fig. 243), but incorrectly, for the cells are usually hexagonal prisms. A simple epithelium consisting of tall prismatic cells (Figs. 244C, 245) is called columnar. At the extreme of thinness are epithelia (flat or squamous) each of whose cells is
RMRHNXGP–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. SWIMBLADDER OF THE TOADFISH 175 erally the gas gland is continuous with the cuboidal, apparently non-glandular, epithelium of the roof of the anterior chamber. The gas gland is most strongly developed and heavily folded within a few millimeters of the retia mirabilia (Fig, 3). At a distance from the retia the degree of folding dwindles rapidly and the glandular cells become smaller. The glandular epithelium is everywhere only one cell thick. The cells are columnar with a dense cytoplasm stained red by azan. An interesting fe
RMRHP59N–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 220 KALI1! I J. BAILKY apparatus is a deep Mask-shaped pit with a thickened sensory epithelium at the base. Thickened sensory areas are also to be found in the lining of the canals and ampulke of the ear. A cross-section of the pharynx shows distinct gill bars which, with the exception of the last, hear no filaments. Medial to the gill bars along the ventral aorta the thyroid appears. consisting of .scattered follicles full of colloid. The viscera have changed somewhat; the gall bladder which earlier was lined with cuboidal
RMRFRY8G–. Carcinoma of the thyroid in the salmonoid fishes. Cancer; Goiter; Thyroid gland; Trout. Fic;. 19.—Domesticated Scotch sea trout tiiigerling; normal thyroid structure. Xs. Fig. 20.—Domesticated Scotch sea trout fiiiEerlillE: same liatcher.v as above, showing simple hyperplasia, increased number of thyroid follicles; epithelium high cuboidal and low columnar: colloid diminished. X86.. 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 origina
RMRHN9TT–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 182 ABBY SCHWARZ it extended as two tongue-shaped masses running posteriorly along the lateral walls almost to the end of the cavity. In these places the epithelium was unfolded and each cell appeared to be in contact with a rete vessel. Intra- and intercellular vacuoles were present. Caudally there was a slight decrease in the size of the cuboidal cells. The tongue-shaped masses tapered slightly at their caudal ends. The dorsal wall was almost uniformly thin, exhibiting only one layer of squamous cells, but the ventral wall
RMREE48C–. Comparative anatomy. Anatomy, Comparative. THE RESPIRATORY SYSTEM 339 bronchioli, which in general are lined with a simple cuboidal non-respira- tory epithelium. There is an elaborate network of capillaries in the walls of the alveoU, so that only two extremely thin membranes separate the blood in the capillaries from the air in the alveoU. J. S. Haldane has. ALVEOLAR SAC Fig. 283.—Diagram of a lung lobule showing the subdivision of a bronchiolus into alveolar ducts, sacs and alveoli. Respiratory epithelium may extend into the bronchioli. (Redrawn after Bremer.) shown that during this exchan
RMRE066N–. A laboratory manual and text-book of embryology. Embryology. 248 UROGENITAL SYSTEM the spaces occur the syncytial giant cells mentioned above. It is in the plane of this layer that the separation of the placenta takes place at birth. The basal plate, or compact layer of the decidua basalis, is composed of a con- Syncytium Cuboidal cells of Ihe basal layer Connective tissue. â¢zj^-^tf&J^WfX; Blood-vessel containing ^^^'^XS-fSMsh nucleated red corpuscles Epithelium Epithelial nucleus Capillaries <$â '- Syncytial knot - Small artery -. Please note that these images are extracted from sca
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