Thoracoacromial
Thoracoacromial
Thoracoacromial (pronunciation: tho·ra·co·acro·mi·al) is a term used in anatomy to describe a specific artery in the human body. The word is derived from the Greek words 'thorax' meaning chest, 'akron' meaning peak, and 'omos' meaning shoulder.
The Thoracoacromial artery is a short trunk that arises from the second part of the axillary artery, its origin being generally overlapped by the upper edge of the pectoralis minor. It passes upward and medially to the upper border of the pectoralis minor, then pierces the costocoracoid membrane and divides into four branches: pectoral, acromial, clavicular, and deltoid.
Related Terms
- Axillary artery: The main blood vessel that supplies blood to the thoracoacromial artery.
- Pectoralis minor: A thin, triangular muscle, situated at the upper part of the chest, beneath the pectoralis major in the human body.
- Costocoracoid membrane: A layer of connective tissue under the clavicle, which is pierced by the thoracoacromial artery.
- Pectoral branch: One of the branches of the thoracoacromial artery that supplies blood to the pectoralis muscles.
- Acromial branch: One of the branches of the thoracoacromial artery that supplies blood to the acromion, a part of the scapula.
- Clavicular branch: One of the branches of the thoracoacromial artery that supplies blood to the clavicle.
- Deltoid branch: One of the branches of the thoracoacromial artery that supplies blood to the deltoid muscle.
External links
- Medical encyclopedia article on Thoracoacromial
- Wikipedia's article - Thoracoacromial
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