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英语解释

vitelline sac

汉语翻译

【医】 卵黄囊

vitelline sac英语解释

名词 vitelline sac:

  1. membranous structure that functions as the circulatory system in mammal embryos until the heart becomes functional
    同义词:yolk sac, umbilical vesicle, vesicula umbilicus
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