me·so·derm /ˈmɛzəˌdɚ/
中胚葉
me·so·derm /ˈmɛzəˌdɝm, ˈmɪz, ˈmɪs, ˈmɛs-/ 名詞
中胚層
Mes·o·derm n. Biol. (a) The layer of the blastoderm, between the ectoderm and endoderm; mesoblast. See Illust. of Blastoderm and Ectoderm. (b) The middle body layer in some invertebrates. (c) The middle layer of tissue in some vegetable structures.
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mesoderm
n : the middle germ layer that develops into muscle and bone and
cartilage and blood and connective tissue [syn: mesoblast]