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Cervical spinal nerve 1
The cervical spinal nerve 1 (C1) is a spinal nerve of the cervical segment.〔(American Medical Association ) Nervous System -- Groups of Nerves〕 C1 is unique in the fact that all other spinal nerves have both sensory and motor fibres, whereas C1 only carries motor fibres.
It originates from the spinal column from above the cervical vertebra 1 (C1).
Muscles innervated by this nerve are:
*Geniohyoid muscle- through Hypoglossal nerve
*Rectus capitis anterior muscle
*Longus capitis muscle (partly)
*Rectus capitis lateralis muscle
*Splenius cervicis muscle (partly)
*Rectus capitis posterior major muscle
*levator scapulae muscle (partly)
*Thyrohyoid muscle- through Hypoglossal nerve
*Omohyoid- through Ansa cervicalis
*Sternohyoid- through Ansa cervicalis
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
■ウィキペディアで「Cervical spinal nerve 1」の詳細全文を読む
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