Intermediate Dorsal Cutaneous Nerve

The intermediate dorsal cutaneous nerve (external dorsal cutaneous branch), the smaller, passes along the lateral part of the dorsum of the foot, and divides into dorsal digital branches, which supply the contiguous sides of the third and fourth, and of the fourth and fifth toes.

It also supplies the skin of the lateral side of the foot and ankle, and communicates with the sural nerve.

The branches of the superficial peroneal nerve supply the skin of the dorsal surfaces of all the toes excepting the lateral side of the little toe, and the adjoining sides of the great and second toes, the former being supplied by the lateral dorsal cutaneous nerve from the sural nerve, and the latter by the medial branch of the deep peroneal nerve.

Frequently some of the lateral branches of the superficial peroneal are absent, and their places are then taken by branches of the sural nerve.

This article incorporates text from a public domain edition of Gray's Anatomy.

Nerves of lower limbs and lower torso: the lumbosacral plexus (L1–Co) (TA A14.2.05–07GA 9.948)
lumbar
plexus
(L1–L4)
iliohypogastric
ilioinguinal
  • anterior scrotal ♂/labial ♀
genitofemoral
  • femoral branch/lumboinguinal
  • genital branch
lateral cutaneous
of thigh
  • patellar
obturator
femoral
  • anterior cutaneous branches
  • saphenous (infrapatellar
  • medial crural cutaneous)
sacral
plexus
(L4–S4)
sciatic
common
fibular
  • lateral sural cutaneous (sural communicating branch)
  • deep fibular (lateral terminal branch
  • medial terminal branch
  • dorsal digital)
  • superficial fibular (medial dorsal cutaneous
  • intermediate dorsal cutaneous
  • dorsal digital)
tibial
  • medial sural cutaneous
  • medial calcaneal
  • medial plantar (common plantar digital nerves
  • proper plantar digital)
  • lateral plantar (deep branch
  • superficial branch
  • common plantar digital
  • proper plantar digital)
sural
  • lateral dorsal cutaneous
  • lateral calcaneal
other
  • muscular: superior gluteal/inferior gluteal
  • lateral rotator group (to quadratus femoris
  • to obturator internus
  • to the piriformis)
    cutaneous: posterior cutaneous of thigh (inferior cluneal
  • perineal branches)
  • perforating cutaneous
coccygeal
plexus
(S4–Co)
  • pudendal: inferior anal
  • perineal (deep
  • posterior scrotal ♂/labial ♀)
  • dorsal of the penis ♂/clitoris ♀
    anococcygeal
  • cutaneous innervation of the lower limbs

M: PNS

anat (h/r/t/c/b/l/s/a)/phys (r)/devp/prot/nttr/nttm/ntrp

noco/auto/cong/tumr, sysi/epon, injr

proc, drug (N1B)

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