Quick Facts
Origin: Axillary artery (second part).
Course: Short course through clavipectoral fascia.
Branches: Pectoral, clavicular, acromial, and deltoid branches.
Supplied Structures: Clavicular and acromial part of deltoid muscle, inferior clavicle, acromion, and skin overlying the pectoral region.
Related parts of the anatomy
Origin
The thoracoacromial artery arises from the second part of the axillary artery, posterior to the pectoralis minor muscle.
Course
Over its short course, the thoracoacromial artery traverses the clavipectoral fascia and divides into its four terminal branches.
Branches
The thoracoacromial artery gives rise to the pectoral, clavicular, acromial, and deltoid branches.
Supplied Structures
The thoracoacromial artery contributes to the supply of the acromial and clavicular parts of the deltoid muscle, the inferior aspect of the clavicle, the acromion, and the skin overlying the pectoral region.
Learn more about this topic from other Elsevier products
Thoracoacromial Artery
The thoracoacromial artery branches from the subclavian artery deep to the clavicle and enters the underside of the pectoralis major muscle at about the midpoint of the clavicle.
