Definition: the ventral ramus of the twelfth thoracic nerve; it courses below the last rib paralleling the course of the intercostal nerves superior to it; it supplies parts of the abdominal muscles and gives off cutaneous branches to the skin of the lowermost ventrolateral abdominal wall and to the superolateral gluteal region.
Synonym(s): nervus subcostalisTA
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Examples: glitazone, GI cocktail, etc.