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|Nerve: Supraclavicular nerves|
|The nerves of the scalp, face, and side of neck. (Supraclavicular nerves visible at bottom.)|
|Plan of the cervical plexus. (Superficial descending labeled at bottom left.)|
|Gray's||subject #210 928|
|From||C3–C4 of cervical plexus|
The supraclavicular nerves (descending branches) arise from the third and fourth cervical nerves; they emerge beneath the posterior border of the Sternocleidomastoideus, and descend in the posterior triangle of the neck beneath the Platysma and deep cervical fascia.
Near the clavicle they perforate the fascia and Platysma to become cutaneous, and are arranged, according to their position, into three groups—anterior, middle and posterior.
- The anterior supraclavicular nerves (nn. supraclaviculares anteriores; suprasternal nerves) cross obliquely over the external jugular vein and the clavicular and sternal heads of the Sternocleidomastoideus, and supply the skin as far as the middle line. They furnish one or two filaments to the sternoclavicular joint.
- The middle supraclavicular nerves (nn. supraclaviculares medii; supraclavicular nerves) cross the clavicle, and supply the skin over the Pectoralis major and Deltoideus, communicating with the cutaneous branches of the upper intercostal nerves.
- The posterior supraclavicular nerves (nn. supraclaviculares posteriores; supra-acromial nerves) pass obliquely across the outer surface of the Trapezius and the acromion, and supply the skin of the upper and posterior parts of the shoulder.
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
|Nerves of head and neck: the cervical plexus|
|superficial: (lesser occipital - greater auricular - transverse cervical - supraclavicular) - deep: (ansa cervicalis - phrenic)|
- de:Nervus supraclavicularis
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