en·to·derm /ˈɛntəˌdɚ/
內胚層; 下胚層
en·to·derm /ˈɛntəˌdɝm/ 名詞
內胚層
En·to·derm n. Biol. See Endoderm, and Illust. of Blastoderm.
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entoderm
n : the inner germ layer that develops into the lining of the
digestive and respiratory systems [syn: endoderm, endoblast,
entoblast, hypoblast]