Zoology. The formation and arrangement of the placenta in the uterus.
| 单词 | θ18809 |
| 释义 | the world > life > biology > biological processes > procreation or reproduction > embryo or fetus > membranes, etc., of embryo or fetus > [noun] > placenta > disposition of (1) placentation1837 Zoology. The formation and arrangement of the placenta in the uterus. |
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