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endoderm n. 内胚叶,内皮层 内胚叶,内皮层 endoderm n 1: the inner germ layer that develops into the lining of the digestive and respiratory systems [synonym: {endoderm}, {entoderm}, {endoblast}, {entoblast}, {hypoblast}] Hypoblast \Hy"po*blast\, n. [Pref. hypo- -blast.] (Biol.)
The inner or lower layer of the blastoderm; -- called also {endoderm}, {entoderm}, and sometimes {hypoderm}. See Illust. of {Blastoderm}, {Delamination}, and {Ectoderm}. [1913 Webster] Endoderm \En"do*derm\, n. [Endo- Gr. ? skin.] (Biol.) (a) The inner layer of the skin or integument of an animal. (b) The innermost layer of the blastoderm and the structures derived from it; the hypoblast; the entoblast. See Illust. of {Ectoderm}. Endodermal
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