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Subcostal nerve

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Subcostal nerve
Cutaneous distribution of thoracic nerves.
Details
FromT12
Identifiers
Latinnervus subcostalis
TA98A14.2.04.016
TA26485
FMA65567
Anatomical terms of neuroanatomy

The subcostal nerve (anterior division of the twelfth thoracic nerve[1]) is a mixed motor and sensory nerve contributing to the lumbar plexus. It runs along the lower border of the twelfth rib, often gives a communicating branch to the first lumbar nerve, and passes under the lateral lumbocostal arch.

It then runs in front of the quadratus lumborum, innervates the transversus, and passes forward between it and the abdominal internal oblique to be distributed in the same manner as the lower intercostal nerves.

It communicates with the iliohypogastric nerve and the ilioinguinal nerve of the lumbar plexus,[1][2] and gives a branch to the pyramidalis muscle and the quadratus lumborum muscle.[3] It also gives off a lateral cutaneous branch that supplies sensory innervation to the skin over the hip.

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References

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Public domain This article incorporates text in the public domain from page 948 of the 20th edition of Gray's Anatomy (1918)

  1. ^ a b Narchi, Patrick; Singelyn, François; Paqueron, Xavier (2008-01-01), Benzon, Honorio T.; Rathmell, James P.; Wu, Christopher L.; Turk, Dennis C. (eds.), "Chapter 49 - Truncal Blocks", Raj's Practical Management of Pain (Fourth Edition), Philadelphia: Mosby, pp. 905–915, ISBN 978-0-323-04184-3, retrieved 2020-11-23
  2. ^ Suresh, Santhanam; Polaner, David M.; Coté, Charles J. (2019-01-01), Coté, Charles J.; Lerman, Jerrold; Anderson, Brian J. (eds.), "42 - Regional Anesthesia", A Practice of Anesthesia for Infants and Children (Sixth Edition), Philadelphia: Elsevier, pp. 941–987.e9, doi:10.1016/b978-0-323-42974-0.00042-2, ISBN 978-0-323-42974-0, retrieved 2020-11-23
  3. ^ Cramer, Gregory D. (2014-01-01), Cramer, Gregory D.; Darby, Susan A. (eds.), "Chapter 7 - The Lumbar Region", Clinical Anatomy of the Spine, Spinal Cord, and Ans (Third Edition), Saint Louis: Mosby, pp. 246–311, doi:10.1016/b978-0-323-07954-9.00007-4, ISBN 978-0-323-07954-9, retrieved 2020-11-23
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