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suprascapular artery
The suprascapular artery (or transverse scapular artery) is a branch of the thyrocervical trunk.
==Course==
At first, it passes downward and laterally across the scalenus anterior and phrenic nerve, being covered by the sternocleidomastoid muscle; it then crosses the subclavian artery and the brachial plexus, running behind and parallel with the clavicle and subclavius muscle and beneath the inferior belly of the omohyoid to the superior border of the scapula. It passes over the superior transverse scapular ligament (unlike the suprascapular nerve, which passes below the ligament).〔(Chapter 8: THE SHOULDER AND AXILLA )〕〔(Scapular Region )〕
The artery then enters the supraspinatous fossa of the scapula. It travels close to the bone, running between the scapula and the supraspinatus muscle, to which it supplies branches.
It then descends behind the neck of the scapula, through the great scapular notch and under cover of the inferior transverse ligament, to reach the infraspinatous fossa, where it anastomoses with the scapular circumflex artery and the descending branch of the transverse cervical artery.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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