noun
: an artery that arises in a vertebrate embryo from the aorta or one of the aortic trunks of the embryo, is distributed by numerous branches over the yolk sac, and is usually paired — compare vitelline vein
noun
: an artery that arises in a vertebrate embryo from the aorta or one of the aortic trunks of the embryo, is distributed by numerous branches over the yolk sac, and is usually paired — compare vitelline vein
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012