thoracoacromial artery(redirected from Thoracoacromial trunk)
origin, axillary; distribution, muscles and skin of shoulder and upper chest; anastomoses, branches of superior thoracic, internal thoracic, lateral thoracic, posterior and anterior circumflex humeral, and suprascapular.
a short artery originating from the anterior surface of the second part of the axillary artery. It divides into four branches: the pectoral, deltoid, clavicular, and acromial.
tho·ra·co·a·cro·mi·al ar·te·ry(thōr'ă-kō-ă-krō'mē-ăl ahr'tĕr-ē) [TA]
A branch of the axillary artery; its branches run to the acromion, the clavicle, and the deltoid and pectoral muscles.
See also: artery