. The Biological bulletin. Biology; Zoology; Marine biology. ENDOCRINES AND CRAYFISH GROWTH 259 that the rate of synthesis of the hormone was reduced below the rate of transfer. Since the type 2 cells are probably the source of the molt-inhibiting hormone and since the implantation of eyestalks inhibits the premolt growth stage of limb regeneration in crabs (Bliss, 1956), it is logical to assume that the presence of stainable material in the type 2 cells, during the intermolt period when molt- inhibiting hormone hypothetically is released, indicates that these cells are actively synthesizing t

. The Biological bulletin. Biology; Zoology; Marine biology. ENDOCRINES AND CRAYFISH GROWTH 259 that the rate of synthesis of the hormone was reduced below the rate of transfer. Since the type 2 cells are probably the source of the molt-inhibiting hormone and since the implantation of eyestalks inhibits the premolt growth stage of limb regeneration in crabs (Bliss, 1956), it is logical to assume that the presence of stainable material in the type 2 cells, during the intermolt period when molt- inhibiting hormone hypothetically is released, indicates that these cells are actively synthesizing t Stock Photo
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. The Biological bulletin. Biology; Zoology; Marine biology. ENDOCRINES AND CRAYFISH GROWTH 259 that the rate of synthesis of the hormone was reduced below the rate of transfer. Since the type 2 cells are probably the source of the molt-inhibiting hormone and since the implantation of eyestalks inhibits the premolt growth stage of limb regeneration in crabs (Bliss, 1956), it is logical to assume that the presence of stainable material in the type 2 cells, during the intermolt period when molt- inhibiting hormone hypothetically is released, indicates that these cells are actively synthesizing the hormone. The absence of stainable material when molt-inhibiting hormone supposedly is witheld just before molt could result from a decreased rate of synthesis or an increased rate of transfer from the cell bodies to the sinus glands. The reappearance of the secretory material in the form of many small granules 4-5 j u CM O >â a. y- o. 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.. Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-; Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report; HighWire Press. Lancaster, Pa. [etc. ] : Lancaster Press, inc. [etc. ]