Illustrated Encyclopedia of Human Anatomic Variation: Opus III: Nervous System
Ronald A. Bergman, PhD
Adel K. Afifi, MD, MS
Ryosuke Miyauchi, MD
Peer Review Status: Internally Peer Reviewed
5: In one case, the ulnar was shown to supply the skin of
the whole of the middle, ring, and little finger. In another case
however, the nerve only supplied digital branches to the little
finger.
6: The usual description of the cutaneous supply of the median nerve occurred in Stopford's study in 72% of 51 cases. The distribution of the median nerve on the dorsum of the fingers was very constant and was always found to extend proximally as far as the level of the first interphalangeal joint, and in more than half of cases studied, as far as the middle of the proximal phalanx.
7: In 4% the median nerve extended medially as far as a line drawn through the center of the middle finger (midaxial line).Redrawn from Stopford, J.S.B. The variation in distribution of the cutaneous nerves of the hand and digits. J. Anat. 53:14-25, 1919.
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