pla·cen·ta·tion /ˌplæsṇˈteʃən, pləˌsɛn-/
胎盤形成; 胎座式
pla·cen·ta·tion /ˌplæsṇˈteʃən, pləˌsɛn-/ 名詞
胎盤形成
Plac·en·ta·tion n.
1. Anat. The mode of formation of the placenta in different animals; as, the placentation of mammals.
2. Bot. The mode in which the placenta is arranged or composed; as, axile placentation; parietal placentation.
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placentation
n 1: the formation of the placenta in the uterus
2: arrangement of the ovules in the placenta and of the
placentas in the ovary