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  2. Cervical plexus - Wikipedia

    en.wikipedia.org/wiki/Cervical_plexus

    The cervical plexus has two types of branches: cutaneous and muscular. [3] Cutaneous (4 branches): Lesser occipital nerve - innervates the skin and the scalp posterosuperior to the auricle (C2) Great auricular nerve - innervates skin near concha auricle and external acoustic meatus (C2-C3)

  3. Nerve point of neck - Wikipedia

    en.wikipedia.org/wiki/Nerve_point_of_neck

    "Erb's point" is also a term used in head and neck surgery to describe the point on the posterior border of the sternocleidomastoid muscle, approximately 2-3cm above the clavicle, overlying the transverse process of the sixth cervical vertebra, [3] where the four superficial branches of the cervical plexus—the greater auricular, lesser ...

  4. Nerve plexus - Wikipedia

    en.wikipedia.org/wiki/Nerve_plexus

    Cervical plexus. The cervical plexus is formed by the ventral rami of the upper four cervical nerves and the upper part of fifth cervical ventral ramus. The network of rami is located deep to the sternocleidomastoid within the neck. The cervical plexus innervates muscles of the neck and areas of skin on the head, neck and chest.

  5. Ansa cervicalis - Wikipedia

    en.wikipedia.org/wiki/Ansa_cervicalis

    The ansa cervicalis (or ansa hypoglossi in older literature [citation needed]) is a loop formed by muscular branches of the cervical plexus formed by branches of cervical spinal nerves C1-C3. The ansa cervicalis has two roots - a superior root (formed by branch of C1) and an inferior root (formed by union of branches of C2 and C3) - that unite ...

  6. Horner's syndrome - Wikipedia

    en.wikipedia.org/wiki/Horner's_syndrome

    Horner's syndrome, also known as oculosympathetic paresis, [1] is a combination of symptoms that arises when a group of nerves known as the sympathetic trunk is damaged. The signs and symptoms occur on the same side (ipsilateral) as it is a lesion of the sympathetic trunk.

  7. Ventral ramus of spinal nerve - Wikipedia

    en.wikipedia.org/wiki/Ventral_ramus_of_spinal_nerve

    Branches of the cervical plexus, which include the phrenic nerve, innervate muscles of the neck, the diaphragm, and the skin of the neck and upper chest. The brachial plexus contains ventral rami from spinal nerves C5–T1. This plexus innervates the pectoral girdle and upper limb. The lumbar plexus contains ventral rami from spinal nerves L1–L4.

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  9. Supraclavicular nerves - Wikipedia

    en.wikipedia.org/wiki/Supraclavicular_nerves

    The supraclavicular nerve is a cutaneous (sensory) nerve of the cervical plexus that arises from the third and fourth cervical (spinal) nerves. It emerges from beneath the posterior border of the sternocleidomastoid muscle, then split into multiple branches. Together, these innervate the skin over the shoulder.