单词 | placentation |
释义 | placenta /plə-senˈtə/noun (pl placenˈtae /-tē/ or placenˈtas)
ORIGIN: L placenta a flat cake, from Gr plakoeis (contraction of plakous) from plax, plakos anything flat placenˈtal adjective noun A placental mammal Placentalia /plas-ən-tāˈli-ə/ plural noun Eutheria, the subclass of placental mammals placentāˈtion noun The arrangement and mode of attachment of placentae or of placenta and fetus placentˈiform adjective Cake-shaped placentolˈogy noun The scientific study of placentae |
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