lateral costal branch of internal thoracic artery
lat·er·al cos·tal branch of in·ter·nal tho·rac·ic ar·ter·y[TA]
a variable branch of internal thoracic artery that runs lateral and parallel to the internal thoracic artery on the deep surface of the rib cage; anastomosis: posterior intercostal arteries.
Synonym(s): ramus costalis lateralis arteriae thoracicae internae [TA]
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