与"yolk sac placenta"相近的词条

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• yolk sac cavity
• yolk sac circulation
• yolk-sac endoderm、yolk sac endoderm
• yolk-sac entoderm
• yolk sac inoculation
• yolk-sac placenta、yolk sac placenta
• yolk sac tumor
• yolk sac umbilicus
• yolk sacinoculation
• yolk skin
• yolk space
• yolk sphere
• yolk spheres
• yolk stalk
• yolk storing hormone
• yolk syncytium

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