collateral branch of intercostal nerves
inferior branch of an intercostal nerve arising medial (proximal) to the angles of the ribs and coursing in the intercostal space along the superior border of the rib below, paralleling the course of the intercostal nerve, which courses along the inferior border of the rib above.
Synonym(s): ramus collateralis nervorum intercostaliumTA
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.