Arterial canal

Medical Dictionary

arterial canal n.
A fetal vessel that connects the left pulmonary artery with the descending aorta and that normally becomes the arterial ligament after birth. Also called arterial duct, Botallo's duct.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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