abdominal aortic (nerve) plexus

ab·dom·i·nal a·or·tic (nerve) plex·us

[TA]
an autonomic plexus surrounding the abdominal aorta, directly continuous with the thoracic aortic plexus superiorly and continuing inferiorly to the bifurcation of the aorta as the superior hypogastric plexus.
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