cho·ri·on /ˈkoriˌɑn, ˈkɔr-/
絨毛膜,漿膜,蛋殼
cho·ri·on /ˈkorɪˌɑn, ˈkɔr-/ 名詞
絨毛膜
Cho·ri·on n.
1. Anat. (a) The outer membrane which invests the fetus in the womb; also, the similar membrane investing many ova at certain stages of development. (b) The true skin, or cutis.
2. Bot. The outer membrane of seeds of plants.
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chorion
n : outermost membranous sac enclosing the embryo in higher
vertebrates (reptiles, birds and mammals)