placentation Meaning, Definition & Usage
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noun the formation of the placenta in the uterus
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noun arrangement of the ovules in the placenta and of the placentas in the ovary
WordNet
Plac`en*ta"tion noun
Definitions
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(Anat.) The mode of formation of the placenta in different animals; as, the .placentation of mammals -
(Bot.) The mode in which the placenta is arranged or composed; as, axile placentation ; parietalplacentation .