dictionary help| aortic sac | medical dictionary |
In mammalian embryos, the endothelially lined dilation just distal to the truncus arteriosus; it is the primordial vascular channel from which the aortic arches arise and is homologous to the ventral aorta of gill-bearing vertebrates.
(05 Mar 2000)
aortic regurgitation, aortic regurgitation: aetiology, aortic rupture < Prev | Next > aortic septal defect, aortic sinus
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