aortic sac [UBERON_0005432]
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.
Note
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"description": [
"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."
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"label": "embryonic structure"
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"short_form": "UBERON_0003498",
"label": "heart blood vessel"
},
{
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"label": "structure with developmental contribution from neural crest"
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"label": "outflow tract"
}
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"short_form": "UBERON_0004363",
"label": "pharyngeal arch artery"
}
}
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"xrefs": [],
"anatomy_channel_image": [],
"pub_syn": [
{
"synonym": {
"scope": "has_exact_synonym",
"label": "saccus aorticus",
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}
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