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1.The cervical spine is the part of the neck that houses the cervical vertebrae, which are responsible for supporting the head and neck.
颈椎是颈部的一部分，它容纳了颈椎骨，这些颈椎骨负责支撑头部和颈部。
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2. During a surgical procedure, the surgeon may need to make incisions in the skin andunderlying tissues to access the sternocleidomastoid branches for removal of tumors or other pathology.
在手术过程中，外科医生可能需要在皮肤和深层组织中进行切口，以访问胸锁乳突分支，以便切除肿瘤或其他病理。
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3. The sternocleidomastoid branches are essential for maintaining proper shoulder mobility and function.
胸锁乳突分支对于保持适当的肩部活动性和功能至关重要。