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| Nerve: Iliohypogastric nerve | |
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| Plan of lumbar plexus. (Iliohypogastric visible at upper left.) | |
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| The lumbar plexus and its branches. (Iliohypogastric visible at upper left.) | |
| Latin | nervus iliohypogastricus |
| Gray's | subject #212 950 |
| Innervates | Sensory: Skin over the lateral gluteal region and above the pubis [1] Motor: internal and transverse abdominal muscles |
| From | lumbar plexus |
| Dorlands / Elsevier |
n_05/12565885 |
The Iliohypogastric Nerve is the superior branch of the anterior ramus of spinal nerve L1 (one of the lumbar nerves) after this nerve receives fibers from T12 (subcostal nerve). The inferior branch is the ilioinguinal nerve.
It emerges from the upper part of the lateral border of the Psoas major, and crosses obliquely in front of the Quadratus lumborum to the iliac crest.
It then perforates the posterior part of the Transversus abdominis, near the crest of the ilium, and divides between that muscle and the Obliquus internus abdominis into a lateral and an anterior cutaneous branch.
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Branches
Branches include:
- Lateral cutaneous branch of iliohypogastric nerve
- Anterior cutaneous branch of iliohypogastric nerve
Communication
The iliohypogastric nerve communicates with the subcostal nerve and ilioinguinal nerves.
Additional images
 Nervous system |
 Cutaneous distribution of thoracic nerves. |
 Intercostal nerves, the superficial muscles having been removed. |
 Deep and superficial dissection of the lumbar plexus. |
 Cutaneous nerves of the right lower extremity. Front and posterior views. |
 Cutaneous nerves of the right lower extremity. Front and posterior views. |
References
External links
- Duke Orthopedics iliohypogastric_nerve
- Atlas of anatomy at UMich abdo_wall70 - "Posterior Abdominal Wall, Dissection, Anterior View"
- SUNY Labs 35:05-0101 - "Anterior Abdominal Wall: The Iliohypogastric and IlioInguinal Nerves"
- SUNY Labs 40:17-0101 - "Posterior Abdominal Wall: Nerves of the Lumbar Plexus"
- SUNY Anatomy Image 7055
- SUNY Anatomy Image 7221
- SUNY Anatomy Image 7257
- Anatomy at MUN nerve/lumbnerv
- Norman/Georgetown posteriorabdomen (posteriorabdmus&nerves)
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 28 January 2008, at 06:11.
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