Ligamentum arteriosum

The ligamentum arteriosum (Latin:arterial ligament) is a small ligament that is the remnant of the ductus arteriosus formed within three weeks after birth.

At the superior end, the ligamentum attaches to the aorta—at the final part of the arch of aorta (the isthmus of aorta) or the first part of the descending aorta. On the other, inferior end, the ligamentum is attached to the top of the left pulmonary artery.

单词	Ligamentum arteriosum
释义	Ligamentum arteriosum 原声例句 Osmosis-心血管 Within the first day the ductus arteriosus usually starts clamping shut, and within 3 weeks, it's completely closed off and turned into the ligamentum arteriosum. 在第1天内，动脉导管通常开始闭合，在三周内，几乎完全关闭，变成动脉韧带。英语百科 Ligamentum arteriosum The ligamentum arteriosum (Latin:arterial ligament) is a small ligament that is the remnant of the ductus arteriosus formed within three weeks after birth. At the superior end, the ligamentum attaches to the aorta—at the final part of the arch of aorta (the isthmus of aorta) or the first part of the descending aorta. On the other, inferior end, the ligamentum is attached to the top of the left pulmonary artery.
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