The dilated structure that is lined by endothelial cells and located at the arterial pole of the heart just above (distal to) the truncus arteriosus in mammalian embryos; it is the primordial vascular channel from which the aortic arches (and eventually the dorsal aortae) arise; the aortic sac is homologous to the ventral aorta of gill-bearing vertebrates. [ MP : 0012510 ]

This is just here as a test because I lose it

Term information

Subsets

pheno_slim

definition
  • The dilated structure that is lined by endothelial cells and located at the arterial pole of the heart just above (distal to) the truncus arteriosus in mammalian embryos; it is the primordial vascular channel from which the aortic arches (and eventually the dorsal aortae) arise; the aortic sac is homologous to the ventral aorta of gill-bearing vertebrates.
external definition
  • the merged ventral aortae of the embryo which supplies blood to the aortic arches[TMD][http://medical-dictionary.thefreedictionary.com/aortic+sac].
has exact synonym
  • saccus aorticus
id
  • UBERON:0005432