Superior lateral cutaneous nerve of arm

Superior lateral cutaneous nerve of arm
Suprascapular and axillary nerves of right side, seen from behind.
Cutenaous innervation of the arm. Innervation area of Axillary, sup. lat. cut. (C5-C6) is seen in blue at top.
Details
From	axillary nerve
Identifiers
Latin	nervus cutaneus brachii lateralis superior
Dorlands /Elsevier	n_05/12565491
TA	A14.2.03.061
FMA	65303
Anatomical terms of neuroanatomy []

The superior lateral cutaneous nerve of arm (or superior lateral brachial cutaneous nerve) is the continuation of the posterior cord of the axillary nerve, after it pierces the deep fascia.

It sweeps around the posterior border of the deltoideus and supplies the skin over the lower two-thirds of the posterior part of this muscle, as well as that covering the long head of the triceps brachii.

Cutaneous nerves of right upper extremity.

Diagram of segmental distribution of the cutaneous nerves of the right upper extremity.

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)