“umbilical artery”的概念、定义、翻译、参考文献-科学参考

单词	umbilical artery
释义	umbilical artery [ǝm`bil·ǝ·kǝl `ärd·ǝ·rē] ^EMBRYOLOGY Either of a pair of arteries passing through the umbilical cord to carry impure blood from the mammalian fetus to the placenta.
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