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fetus
Young mammal within the uterus of the mother from the visible completion of characteristic organogenesis until birth.
Note: In humans, this period is usually defined as from the third month after fertilization until birth (prior to this, the young mammal is referred to as an embryo).
- 词性: noun
- 行业/领域: 生物学; 化学
- 类别 毒物学
- Company: National Library of Medicine
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创建者
- Walter Lane
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