单词 | placentation |
释义 | placentation/ˌplas(ə)nˈteɪʃ(ə)n /noun [mass noun] 1 Anatomy & Zoology The formation or arrangement of a placenta or placentae in a woman’s or female animal’s uterus.The presence of an apparently unique type of lymphocyte in the uterus at implantation and during early placentation is intriguing....
1.1 Botany The arrangement of the placenta or placentae in the ovary of a flower.Both genera were transferred to Flacourtiaceae by Warburg and later by Gilg on the basis of a number of morphological characters, such as a trimerous ovary with parietal placentation and anthers with longitudinal dehiscence....
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