THIRD OCCIPITAL NERVE

Third occipital nerve
Third occipital nerve
	Posterior primary divisions of the upper three cervical nerves. (Third occipital nerve visible at center.)
	Diagram of the distribution of the cutaneous branches of the posterior divisions of the spinal nerves. (Third cervical labeled at top.)
Details
From	C3
Identifiers
Latin	nervus occipitalis tertius
TA98	A14.2.02.009
TA2	6367
FMA	65608
	Anatomical terms of neuroanatomy [ edit on Wikidata

While under the trapezius, the medial branch of the posterior division of the third cervical nerve gives off a branch called the third occipital nerve (also known as the least occipital nerve), which pierces the Trapezius and ends in the skin of the lower part of the back of the head.

It lies medial to the greater occipital nerve and communicates with it.

Additional images

Dermatome distribution of the trigeminal nerve

External links

http://www.dartmouth.edu/~humananatomy/figures/chapter_47/47-2.HTM [broken link 4/15/24]
http://www.dartmouth.edu/~humananatomy/figures/chapter_47/47-6.HTM [broken link 4/15/24]

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v t e Spinal nerves
Cervical	C1 C2 C3 C4 C5 C6 C7 C8 anterior Cervical plexus Brachial plexus posterior Posterior branches of cervical nerves Suboccipital – C1 Greater occipital – C2 Third occipital – C3
Thoracic	T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 anterior Intercostal Intercostobrachial – T2 Thoraco-abdominal nerves – T7–T11 Subcostal – T12 posterior Posterior branches of thoracic nerves
Lumbar	L1 L2 L3 L4 L5 anterior Lumbar plexus Lumbosacral trunk posterior Posterior branches of the lumbar nerves Superior cluneal L1–L3
Sacral	S1 S2 S3 S4 S5 anterior Sacral plexus posterior Posterior branches of sacral nerves Medial cluneal nerves
Coccygeal	anterior Coccygeal plexus posterior Posterior branch of coccygeal nerve

v t e Spinal nerves
Cervical	C1 C2 C3 C4 C5 C6 C7 C8 anterior Cervical plexus Brachial plexus posterior Posterior branches of cervical nerves Suboccipital – C1 Greater occipital – C2 Third occipital – C3
Thoracic	T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 anterior Intercostal Intercostobrachial – T2 Thoraco-abdominal nerves – T7–T11 Subcostal – T12 posterior Posterior branches of thoracic nerves
Lumbar	L1 L2 L3 L4 L5 anterior Lumbar plexus Lumbosacral trunk posterior Posterior branches of the lumbar nerves Superior cluneal L1–L3
Sacral	S1 S2 S3 S4 S5 anterior Sacral plexus posterior Posterior branches of sacral nerves Medial cluneal nerves
Coccygeal	anterior Coccygeal plexus posterior Posterior branch of coccygeal nerve

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