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肩胛上动脉是供应肩胛骨及其周围骨骼肌和构成肩胛动脉网的重要血管之一,正常情况下起始于甲状颈干或锁骨下动脉,向后走行于肩胛上横韧带的下方,经肩胛上切迹行于冈上肌、冈下肌与肩胛骨之间,并与旋肩胛动脉形成吻合支,供应肩胛区的血液,同时也是供应胸锁乳突肌下1/3血液的动脉之一。在下颌骨相关手术中占有一定地位[1]。在解剖1例上肢标本右腋动脉时,见其肩胛上动脉直接起始于腋动脉主干(图1),在臂丛的前束与外侧束之间行向
The suprascapular artery is one of the important blood vessels that supply the scapula and its surrounding skeletal muscles and constitutes the scapular artery network. Normally, the suprascapular artery originates in the jugular trunk or the subclavian artery and runs backwards below the suprascapular superior transverse ligament via the scapula The notch cuts between the supraspinatus, suboccipitus and scapula and forms anastomosis with the spinosal artery, supplying the blood in the scapular region and also one of the arteries supplying the lower third of the blood in the sternocleidomastoid muscle. Mandibular related surgery occupies a certain position [1]. When dissecting the right axillary artery of an upper extremity specimen, the suprascapular artery is found directly on the trunk of the axillary artery (Fig. 1). The direction between the anterior and posterior bundles of the brachial plexus