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
1: In 79% of 102 cases, the ulnar nerve supplied the little
and uInar half of the ring finger, on both dorsal and palmar aspects
of the hand.
2: In 30% of the 79% of 102 cases, the uInar nerve supply in the dorsum of the hand extended as far laterally as a line drawn through the axis of the middle finger.
3: In 14%, the whole of the palmar and dorsal surfaces of the ring and little fingers were supplied by the uInar nerve.
4: In 3%, there was an additional distribution on the uInar half of the middle finger.
See Figures 61-64 for continuation of this study and conclusion.
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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