- Coccygeal nerve
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Nerve: Coccygeal nerve Areas of distribution of the cutaneous branches of the posterior divisions of the spinal nerves. The areas of the medial branches are in black, those of the lateral in red. Plan of sacral and pudendal plexuses. (Coccygeal labeled at bottom right.) Latin nervus coccygeus Gray's subject #209 925 The coccygeal nerve is the spinal nerve that corresponds to the coccyx bone.
Structure
The coccygeal nerve is the 31st spinal nerve. It arises from the sacral plexus, and its ventral ramus helps form the coccygeal plexus. It does not divide into a medial and lateral branch. It is distributed to the skin over the back of the coccyx.
See also
External links
- Coccyx pain (tailbone pain, coccydynia) (Peer-reviewed medical chapter, available free online at eMedicine)
- coccygeal+nerve+%5BCo%5D at eMedicine Dictionary
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.
Nerves: spinal nerves (TA A14.2, GA 9.916) Cervical (8) Thoracic (12) 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 (5)
anterior (Lumbar plexus, Lumbosacral trunk) · posterior (Posterior branches of the lumbar nerves, Superior cluneal L1–L3)Sacral (5) Coccygeal (1) Categories:- Spinal nerves
- Neuroanatomy stubs
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