The cervical spinal nerve 1 (C1) is a

spinal nerve A spinal nerve is a mixed nerve, which carries Motor neuron, motor, Sensory neuron, sensory, and Autonomic nervous system, autonomic signals between the spinal cord and the body. In the human body there are 31 pairs of spinal nerves, one on each s ...

of the cervical segment.Nervous System — Groups of Nerves
from spinalcordinjuryzone.com. Published February 23, 2004
Archived
Dec 23, 2011. Retrieved June 12, 2018. C1 carries predominantly motor fibres, but also a small meningeal branch that supplies sensation to parts of the dura around the foramen magnum (via dorsal rami). It originates from the spinal column from above the

cervical vertebra 1 In anatomy, the atlas (C1) is the most superior (first) cervical vertebra of the spine (anatomy), spine and is located in the neck. The bone is named for Atlas (mythology), Atlas of Greek mythology, just as Atlas bore the weight of the heavens ...

(C1). The dorsal root and ganglion of the first cervical nerve may be rudimentary or entirely absent. Muscles innervated by this nerve are: * Geniohyoid muscle- through

hypoglossal nerve The hypoglossal nerve, also known as the twelfth cranial nerve, cranial nerve XII, or simply CN XII, is a cranial nerve that innervates all the extrinsic and intrinsic muscles of the tongue except for the palatoglossus, which is innervated b ...

* Rectus capitis anterior muscle * Longus capitis muscle (partly) * Rectus capitis lateralis muscle *

Splenius cervicis muscle The splenius cervicis () (also known as the splenius colli, ) is a muscle in the back of the neck. It arises by a narrow tendinous band from the spinous processes of the third to the sixth thoracic vertebrae In vertebrates, thoracic vertebrae ...

(partly) * Rectus capitis posterior major muscle *

levator scapulae muscle The levator scapulae is a slender skeletal muscle Skeletal muscle (commonly referred to as muscle) is one of the three types of vertebrate muscle tissue, the others being cardiac muscle and smooth muscle. They are part of the somatic nervous s ...

(partly) *

Thyrohyoid muscle The thyrohyoid muscle is a small skeletal muscle of the neck. Above, it attaches onto the greater cornu of the hyoid bone; below, it attaches onto the oblique line of the thyroid cartilage. It is innervated by fibres derived from the cervical spin ...

– through

* Omohyoid – through ansa cervicalis * Sternohyoid – through ansa cervicalis * Sternothyroid - through ansa cervicalis

References

Spinal nerves {{neuroanatomy-stub