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The lateral dorsal cutaneous nerve is the continuation/terminal sensory branch of the sural nerve, and is ultimately derived from the 1st sacral nerve (S1). It passes distally along the lateral part of the dorsum of foot .
The intermediate dorsal cutaneous nerve divides into four dorsal digital branches, which supply the medial and lateral sides of the third and fourth, and of the fourth and fifth toes. The lateral dorsal cutaneous nerve from the sural nerve turns into a dorsal digital nerve and supplies the lateral side of the fifth toe.
Through its two terminal branches, the intermediate dorsal cutaneous nerve provides sensory innervation to the contiguous dorsal aspects of the 3rd and 4th toes, and of the 4th and 5th toes. [citation needed] It also provides innervation to the skin of the lateral side of the foot and ankle. [citation needed]
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.
She was studying the nerve fascicle contribution of each of the nerves that contribute to the final formation of the sural nerve to find better nerve donors. She originated the term sural nerve complex to fully encompass all contributions to the terminally named sural nerve (and later lateral dorsal cutaneous nerve).
Another branch observed, that is mentioned in passing in previous literature is the medial branch of the lateral sural cutaneous nerve. [3]In a 2021 study by Steele et al. (Annals of Anatomy), a medial branch of the lateral sural cutaneous nerve was observed in approximately 36% of lower extremities dissected (n=208) with an average diameter of 1.47 ± 0.655 mm with a 95% CI of 1.31 – 1.625 mm.
a lateral branch which passes anteriorly superficial to the second intermetatarsal space to give rise to the give rise to the lateral digital dorsal nerve of the second toe, and the medial digital dorsal nerve of the third toe. [1] It also supplies the integument of the medial side of the foot and ankle. [citation needed] [verification needed]
The third common digital nerve receives a communicating branch from the lateral plantar nerve; the first gives a twig to the first Lumbricalis. Each proper digital nerve gives off cutaneous and articular filaments; and opposite the last phalanx sends upward a dorsal branch, which supplies the structures around the nail, the continuation of the ...