iliohypogastric nerve

[ĭl′ē-ō-hī′pə-găstrĭk]
n.
  1. A nerve that arises from the first lumbar nerve and supplies the abdominal muscles and the skin of the lower part of the anterior abdominal wall.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.