Genitofemoral nerve
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| Nerve: Genitofemoral nerve | |
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| Plan of lumbar plexus. (Genitofemoral nerve visible at upper left.) | |
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| The lumbar plexus and its branches. (Genitofemoral nerve visible at upper left.) | |
| Latin | nervus genitofemoralis |
| Gray's | subject #212 953 |
| Innervates | cremaster |
| From | lumbar plexus |
| To | lumboinguinal, genital branch |
| Dorlands / Elsevier | n_05/12565836 |
In human anatomy, the genitofemoral nerve originates from the upper part of the lumbar plexus of spinal nerves. Its roots are L1 and L2 (lumbar).
It emerges on the anterior surface of the psoas major muscle and divides into two branches:
- The femoral branch, or lumboinguinal nerve, supplies skin anterior to the upper part of the femoral triangle
- The genital branch:
- in males, it travels through the superficial inguinal ring, along with the spermatic cord, and supplies the cremaster and the scrotal skin
- in females, it ends in the skin of the mons pubis and labia majora
Additional images
 Deep and superficial dissection of the lumbar plexus. |
 Sacral plexus of the right side. |
External links
- SUNY Labs 36:07-0305 - "Inguinal Region, Scrotum and Testes: Layers of the spermatic cord"
- SUNY Figs 40:07-13 - "Muscles and nerves of the posterior abdominal wall."
- Anatomy at MUN nerve/lumbnerv
- Norman/Georgetown posteriorabdomen (posteriorabdmus&nerves)
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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 .
