Posterior cutaneous nerve of arm
From Wikipedia, the free encyclopedia
The posterior cutaneous nerve of arm (internal cutaneous branch of musculospiral, posterior brachial cutaneous nerve) is a branch of the radial nerve that provides sensory innervation for much of the skin on the back of the arm. It arises in the axilla.
Quick Facts Details, From ...
Posterior cutaneous nerve of arm | |
---|---|
Details | |
From | Radial nerve |
Identifiers | |
Latin | nervus cutaneus brachii posterior |
TA98 | A14.2.03.050 |
TA2 | 6432 |
FMA | 44948 |
Anatomical terms of neuroanatomy |
Close
It is of small size, and passes through the axilla to the medial side of the area supplying the skin on its dorsal surface nearly as far as the olecranon.
In its course it crosses behind and communicates with the intercostobrachial.