(nerve) Type: Term Definitions: 1. an autonomic plexus on the seminal vesicle and ampulla of the ductus deferens on each side, derived from the inferior hypogastric plexus. Synonyms: plexus (nervosus) deferentialis, plexus of ductus deferens Found on http://www.medilexicon.com/medicaldictionary.php?t=69826