Cutaneous innervation of the lower limbs
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Cutaneous innervation refers to the area of the skin which is supplied by a specific nerve.
Modern texts are in agreement about which areas of the skin are served by which nerves, but there are minor variations in some of the details. The borders designated by the diagrams in the 1918 edition of Gray's Anatomy, provided below, are similar but not identical to those generally accepted today.
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Pelvis and buttocks
- Lateral cutaneous nerve of thigh - labeled as "lateral femoral cutaneous" (pink)
- Lumboinguinal nerve (green) and Ilioinguinal nerve (purple). In modern texts, these two regions are often considered to be innervated by the genitofemoral nerve.
- Medial cluneal nerves (pink) - labeled as "post. division of sacral"
- Inferior cluneal nerves (pink region, not designated with its own section)
- Perforating cutaneous nerve (pink region, not designated with its own section)
- Superior cluneal nerves (yellow) - labeled as "post. division of lumbar"
- Iliohypogastric nerve (blue)
- Subcostal nerve (purple) - labeled as "last thoracic"
Thigh
- Anterior cutaneous branches of the femoral nerve (yellow)
- Cutaneous branch of the obturator nerve (yellow region, not designated with its own section)
- Posterior cutaneous nerve of thigh (green)
Leg (cnemius)
- Common fibular nerve (blue) - labeled as "peroneal nerve". Also Lateral sural cutaneous nerve.
- Saphenous nerve (pink), a branch of the femoral nerve.
- Superficial fibular nerve (yellow) - labeled as "superficial peroneal nerve". Also Medial dorsal cutaneous nerve.
- Sural nerve (purple). Also Medial sural cutaneous nerve.
Foot
- Deep fibular nerve (green)
- Tibial nerve (blue). Also Medial calcaneal branches of the tibial nerve.
- Medial plantar nerve (yellow)
- Lateral plantar nerve (green)
External links
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 .
