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Encyclopedia > Cutaneous innervation of the lower limbs
Posterior view.
Foot.
Foot.

Cutaneous innervation refers to the area of the skin which is supplied by a specific nerve. Image File history File links Download high-resolution version (239x900, 54 KB) File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Wikipedia:Grays Anatomy images with missing articles 17 Dermatomic area Common fibular nerve Deep fibular nerve List... Image File history File links Download high-resolution version (191x800, 45 KB) File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Wikipedia:Grays Anatomy images with missing articles 17 Dermatomic area Common fibular nerve List of images in... It has been suggested that this article or section be merged with Epidermis (skin). ... Nerves (yellow) Nerves redirects here. ...


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. An illustration from the 1918 edition Henry Grays Anatomy of the Human Body, commonly known as Grays Anatomy after Henry Gray, is an anatomy textbook widely regarded as a classic work on human anatomy. ...

Contents

Pelvis and buttocks

The lateral cutaneous nerve of the thigh (also called the lateral femoral cutaneous nerve) is a cutaneous nerve that innervates the skin on the lateral part of the thigh. ... The lumboinguinal nerve (femoral or crural branch of genitofemoral) descends on the external iliac artery, sending a few filaments around it, and, passing beneath the inguinal ligament, enters the sheath of the femoral vessels, lying superficial and lateral to the femoral artery. ... The Ilioinguinal Nerve, smaller than the Iliohypogastric nerve, arises with it from the first lumbar nerve. ... In human anatomy, the genitofemoral nerve originates from the upper part of the lumbar plexus of spinal nerves. ... The medial clunial nerves innervate the skin of the buttocks closest to the midline of the body. ... The inferior clunial nerves innervate the skin of the lower part of the buttocks. ... The superior clunial nerves innervate the skin of the upper part of the buttocks. ... The Iliohypogastric Nerve arises from the first lumbar nerve. ... 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. ...

Thigh

The anterior cutaneous branches of the femoral nerve consist of the following nerves: intermediate cutaneous nerve and medial cutaneous nerve. ... Occasionally the communicating branch to the anterior cutaneous and saphenous branches of the femoral is continued down, as a cutaneous branch, to the thigh and leg, as the cutaneous branch of the obturator nerve. ... The posterior cutaneous nerve of the thigh (also called the posterior femoral cutaneous nerve) provides innervation to the skin of the posterior surface of the thigh and leg, as well as to the skin of the perineum. ...

Leg (cnemius)

The common peroneal nerve (common fibular nerve; external popliteal nerve; peroneal nerve), about one-half the size of the tibial nerve, is derived from the dorsal branches of the fourth and fifth lumbar and the first and second sacral nerves. ... The lateral sural cutaneous nerve (lateral cutaneous branch) supplies the skin on the posterior and lateral surfaces of the leg. ... The Saphenous Nerve (long or internal saphenous nerve) is the largest cutaneous branch of the femoral nerve. ... The Femoral Nerve supplies innervation the anterior portion of the leg. ... The Superficial Fibular/Peroneal Nerve (musculocutaneous nerve of the leg) innervates the Peronei longus and brevis and the skin over the greater part of the dorsum of the foot. ... The medial dorsal cutaneous nerve (internal dorsal cutaneous branch) passes in front of the ankle-joint, and divides into two dorsal digital branches, one of which supplies the medial side of the great toe, the other, the adjacent side of the second and third toes. ... The sural nerve (short saphenous nerve), formed by the junction of the medial sural cutaneous with the peroneal anastomotic branch, passes downward near the lateral margin of the tendo calcaneus, lying close to the small saphenous vein, to the interval between the lateral malleolus and the calcaneus. ... The medial sural cutaneous nerve descends between the two heads of the Gastrocnemius, and, about the middle of the back of the leg, pierces the deep fascia, and unites with the anastomotic ramus of the common peroneal to form the sural nerve. ...

Foot

The Deep fibular nerve (deep peroneal nerve) begins at the bifurcation of the common peroneal nerve, between the fibula and upper part of the Fibularis (Peronæus) longus, passes infero-medially, deep to Extensor digitorum longus, to the anterior surface of the interosseous membrane, and comes into relation with the... The Tibial Nerve The tibial nerve passes through the popliteal fossa to pass below the arch of soleus. ... The medial plantar nerve (internal plantar nerve), the larger of the two terminal divisions of the tibial nerve, accompanies the medial plantar artery. ... The Lateral Plantar Nerve (external plantar nerve) supplies the skin of the fifth toe and lateral half of the fourth, as well as most of the deep muscles, its distribution being similar to that of the ulnar nerve in the hand. ...

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