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The intermediate cutaneous nerve (middle cutaneous nerve) pierces the fascia lata (and generally the sartorius) about 7.5 cm below the inguinal ligament, and divides into two branches which descend in immediate proximity along the forepart of the thigh, to supply the skin as low as the front of the knee.
The anterior division gives off anterior cutaneous branches: The anterior cutaneous branches are: the intermediate femoral cutaneous nerve and the medial femoral cutaneous nerve. [1] The posterior division gives off only one branch, which is the saphenous nerve. [1]
The lateral cutaneous nerve of the thigh may have multiple branches. [1] Its position with relation to the ASIS can be very variable. [3] It may partially pass through sartorius muscle rather than over its surface. [1] It may be absent, and the sensory supply replaced by branches of the femoral nerve and the ilioinguinal nerve. [1]
Cutaneous innervation of the lower limbs is the nerve supply to areas of the skin of the lower limbs (including the feet) which are supplied by specific cutaneous nerves. 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 saphenous nerve (long or internal saphenous nerve) is the largest cutaneous branch of the femoral nerve. It is derived from the lumbar plexus (L3-L4). It is a strictly sensory nerve, and has no motor function. It commences in the proximal (upper) thigh and travels along the adductor canal.
The posterior cutaneous nerve of the thigh (also called the posterior femoral cutaneous nerve) is a sensory nerve of the thigh. It is a branch of the sacral plexus. It supplies the skin of the posterior surface of the thigh, leg, buttock, and also the perineum.
The perineal branches of the posterior femoral cutaneous nerve are distributed to the skin at the upper and medial side of the thigh.. One long perineal branch, inferior pudendal (long scrotal nerve), curves forward below and in front of the ischial tuberosity, pierces the fascia lata, and runs forward beneath the superficial fascia of the perineum to the skin of the scrotum in the male, and ...
The inferior clunial nerves (also gluteal branches of posterior femoral cutaneous nerve) are branches of the posterior cutaneous nerve of the thigh that innervate the skin of the lower part of the buttocks. [1] [2] They pass inferior to the inferior border of the gluteus maximus muscle. [2]