aortic sac

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) ...
Found on http://www.encyclo.co.uk/local/20973

aortic sac

Type: Term Definitions: 1. in mammalian embryos, the endothelially lined dilation just distal to the truncus arteriosus; it is the primordial vascular channel from which the aortic arches (arteries) arise and is homologous to the ventral aorta of gill-bearing vertebrates.
Found on http://www.medilexicon.com/medicaldictionary.php?t=79275

Aortic sac

The aortic bulb or aortic sac is a dilated structure in mammalian embryos, lined by endothelial cells located just above (distal to) the truncus arteriosus. It is the primordial vascular channel from which the aortic arches arise (and eventually the dorsal aortae) and is homologous to the ventral aorta of gill-bearing vertebrates. Genes dHAND and ...
Found on http://en.wikipedia.org/wiki/Aortic_sac
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