dorsal branches of the posterior intercostal veins 4–11
Definition: major tributaries of the fourth through 11th posterior intercostal veins; area drained is the same as that supplied by the dorsal branches of posterior intercostal arteries.
Synonym(s): rami dorsales venarum intercostalium posteriorum IV–XITA
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.