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The greater occipital nerve is a nerve of the head. It is a spinal nerve , specifically the medial branch of the dorsal primary ramus of cervical spinal nerve 2 . It arises from between the first and second cervical vertebrae , ascends, and then passes through the semispinalis muscle .
Everywhere else in the spine, the nerve emerges below the vertebra with the same name. The posterior distribution includes the suboccipital nerve (C1), the greater occipital nerve (C2) and the third occipital nerve (C3). The anterior distribution includes the cervical plexus (C1–C4) and brachial plexus (C5–T1).
Occipital neuralgia is caused by damage to the occipital nerves, which can arise from trauma (usually concussive or cervical), physical stress on the nerve, repetitive neck contraction, flexion or extension, and/or as a result of medical complications (such as osteochondroma, a benign bone tumour).
The optic nerve; The oculomotor nerve; The trochlear nerve; The trigeminal nerve; The abducens nerve; The facial nerve; The vestibulocochlear nerve; The glossopharyngeal nerve; The vagus nerve; The accessory nerve; The hypoglossal nerve; The spinal nerves. The posterior divisions; The anterior divisions; The thoracic nerves; The lumbosacral ...
These include the greater occipital nerve, which provides sensation to the back of the head, the lesser occipital nerve, which provides sensation to the area behind the ears, the greater auricular nerve and the lesser auricular nerve. The phrenic nerve is a nerve
The C2 myotome represents a collection of muscles under the control of the C2 nerve. These muscles are responsible for enabling the forward bending of the neck. The greater occipital nerve, lesser occipital nerve, greater auricular nerve, and the transverse cervical nerve all emerge from C2, with the latter two shared with the C3. [2]
The adjective occipital, in zoology, means pertaining to the occiput (rear of the skull). [1] Occipital is a descriptor for several areas of animal and human anatomy. External occipital protuberance; Internal occipital crest; Greater occipital nerve; Lesser occipital nerve; Occipital artery; Occipital bone; Occipital bun; Occipital condyle ...
The motor innervation of the scalp, specifically, the occipitofrontalis muscle, is split into two main factions: the frontal belly or frontalis muscle is supplied by the temporal branch of facial nerve, while the occipital belly or occipitalis is supplied by the posterior auricular branch of facial nerve.