• (a.) Within the mesentery; as, the intermesenteric, or aortic, plexus.
In`ter·mes`en·ter'ic adjective (Anat.) Within the mesentery; as, the intermesenteric , or aortic, plexus. 
(nerve) Type: Term Definitions: 1. the part of the abdominal aortic plexus lying between the superior and inferior mesenteric plexuses. Synonyms: plexus (nervosus) intermesentericus