Abductor digiti minimi of hand
Abductor digiti minimi manus
- Latin synonym: Musculus abductor digiti minimi manus
- Synonym: Abductor digiti minimi muscle of hand
- Related terms: Abductor digiti minimi
Definition
Origin: Pisiform
Insertion: Base of the proximal phalanx of the 5th digit on the ulnar or medial side
Artery: Ulnar artery
Nerve: Deep branch of ulnar nerve
Action: Abduction of little finger
Description:
The Abductor digiti minimi is situated on the ulnar border of the palm of the hand. It arises from the pisiform bone and from the tendon of the Flexor carpi ulnaris, and ends in a flat tendon, which divides into two slips; one is inserted into the ulnar side of the base of the first phalanx of the little finger; the other into the ulnar border of the aponeurosis of the Extensor digiti quinti proprius.
References
This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).