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umbilical cord
释义
umbilical cord
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医学
妊娠
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umbilical cord
脐带
连接胎儿与胎盘的条索状组织。一端与胎儿腹壁的脐轮相连,另一端附着于胎盘胎儿面的中央或略偏向一侧。
Biology
umbilical cord
脐带
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