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| Nerve: Subcostal nerve | |
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| Cutaneous distribution of thoracic nerves. | |
| Latin | nervus subcostalis |
| Gray's | subject #211 948 |
| From | T12 |
| Dorlands / Elsevier |
n_05/12566776 |
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 the right lower extremity. Front and posterior views. |
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 As such, some of the information contained herein may be outdated.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.
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Wikipedia content modification information:
- This page was last modified on 21 January 2008, at 02:00.
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