Subcostal nerve
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| Nerve: Subcostal nerve | |
|---|---|
 | |
| Cutaneous distribution of thoracic nerves. | |
| Latin | nervus subcostalis |
| Gray's | subject #211 948 |
| From | T12 |
| Dorlands / Elsevier | n_05/12566776 |
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The anterior division of the twelfth thoracic nerve (subcostal nerve) is larger than the others; 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, perforates the Transversus, and passes forward between it and the Obliquus internus to be distributed in the same manner as the lower intercostal nerves.
It communicates with the iliohypogastric nerve of the lumbar plexus, and gives a branch to the Pyramidalis. It also gives off a lateral cutaneous branch that supplies sensory innervation to the skin over the hip.
Additional images
 Nervous system |
 The posterior divisions of the sacral nerves. |
 Plan of lumbar plexus. |
 Cutaneous nerves of right lower extremity. Posterior view. |
See also
External links
- Anatomy at MUN nerve/lumbnerv
- Norman/Georgetown posteriorabdomen (posteriorabdmus&nerves)
- Norman/Georgetown glutealregion
- Atlas of anatomy at UMich abdo_wall70 - "Posterior Abdominal Wall, Dissection, Anterior View"
- SUNY Figs 40:07-00 - "Muscles and nerves of the posterior abdominal wall."
- SUNY Anatomy Image 8982
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
Nerves: spinal nerves | |
|---|---|
| Cervical (8) | anterior (Cervical plexus, Brachial plexus) - posterior (Posterior branches of cervical nerves, Suboccipital, Greater occipital, Third occipital) |
| Thoracic (12) | 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) | anterior (Sacral plexus) - posterior (Posterior branches of sacral nerves, Medial cluneal nerves) |
| Coccygeal (1) | anterior (Coccygeal plexus) - posterior (Posterior branch of coccygeal nerve) |
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
