Expansion
Median nerve lateral three and a half digits (palmar), Ulnar nerve medial one and a half digits, Radial nerve dorsolateral hand
Expansion
- Median nerve - palmar skin of the lateral three and a half digits and their fingertips
- Ulnar nerve - the medial one and a half digits on both palmar and dorsal sides
- Radial nerve - the dorsolateral hand and the dorsum of the thumb and lateral digits (proximal to the nail beds)
The split runs down the middle of the ring finger, so it is shared between median and ulnar territories.