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单词 Musculus sternocleidomastoideus
释义

Musculus sternocleidomastoideus

英语百科

Sternocleidomastoid muscle

The sternocleidomastoid muscle with nearby structures labeled, such as the triangles of the neck.

In human anatomy, the sternocleidomastoid muscle (/ˌstɜːrnˌkldəˈmæsˌtɔɪd, -nə-, -d-/), also known as sternomastoid and commonly abbreviated as SCM, is a paired muscle in the superficial layers of the side of the neck. It is one of the largest and most superficial cervical muscles. The primary actions of the muscle are rotation of the head to the opposite side and flexion of the neck. The sternocleidomastoid is innervated by the accessory nerve.

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更新时间:2025/6/19 11:14:49