umbilical artery

um·bil·i·cal ar·ter·y

[TA] before birth this artery is a continuation of the internal iliac; after birth it is obliterated between the bladder and umbilicus, forming the medial umbilical ligament, the remaining portion, between the internal iliac artery and bladder, being reduced in size and giving off the superior vesical arteries. Synonym(s): arteria umbilicalis [TA]

um·bil·i·cal ar·te·ry

(ŭm-bil'i-kăl ahr'tĕr-ē) [TA] Before birth, a continuation of the internal iliac; after birth it is obliterated between the bladder and umbilicus, forming the medial umbilical ligament, the remaining portion, between the internal iliac artery and bladder, being reduced in size and giving off the superior vesical arteries.
Synonym(s): arteria umbilicalis [TA] .

umbilical artery

In the embryo, either of a pair of arteries that originate in the embryonic aortas (the dorsal aortas) and that carry blood from the embryo to the yolk sac and the chorion. In the adult, the lumen of the umbilical arteries disappears and the arteries become fibrous cords, called the medial umbilical ligaments, along the inner surface of the abdominal wall. See also: artery

单词	umbilical artery
释义	DictionarySeeartery umbilical artery umbilical artery [əm′bil·ə·kəl ′ärd·ə·rē] (embryology) Either of a pair of arteries passing through the umbilical cord to carry impure blood from the mammalian fetus to the placenta. umbilical artery um·bil·i·cal ar·ter·y [TA] before birth this artery is a continuation of the internal iliac; after birth it is obliterated between the bladder and umbilicus, forming the medial umbilical ligament, the remaining portion, between the internal iliac artery and bladder, being reduced in size and giving off the superior vesical arteries. Synonym(s): arteria umbilicalis [TA] um·bil·i·cal ar·te·ry (ŭm-bil'i-kăl ahr'tĕr-ē) [TA] Before birth, a continuation of the internal iliac; after birth it is obliterated between the bladder and umbilicus, forming the medial umbilical ligament, the remaining portion, between the internal iliac artery and bladder, being reduced in size and giving off the superior vesical arteries. Synonym(s): arteria umbilicalis [TA] . umbilical artery In the embryo, either of a pair of arteries that originate in the embryonic aortas (the dorsal aortas) and that carry blood from the embryo to the yolk sac and the chorion. In the adult, the lumen of the umbilical arteries disappears and the arteries become fibrous cords, called the medial umbilical ligaments, along the inner surface of the abdominal wall. See also: artery AcronymsSeeUA
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