The dorsal interossei of the hand are muscles that occupy the space between the metacarpals. There are four dorsal interossei in each hand. They are specified as 'dorsal' to contrast them with the palmar interossei, which are located on the anterior side of the metacarpals. The dorsal interosseous muscles are bipennate, with each muscle arising by two heads from the adjacent sides of the metacarpal bones, but more extensively from the metacarpal bone of the finger into which the muscle is inserted. They are inserted into the bases of the proximal phalanges and into the extensor expansion of the corresponding extensor digitorum tendon. The middle digit has two dorsal interossei insert onto it while the first digit (thumb) and the fifth digit (little finger) have none[WP]. [ http://en.wikipedia.org/wiki/Dorsal_interossei_muscles_(hand) ]
Term information
- null:http://linkedlifedata.com/resource/umls/id/C1744530
- UMLS:C1744530 (ncithesaurus:Dorsal_Hand_Interosseous_Muscle)
- EMAPA:37519 (MA:th)
- null:http://www.snomedbrowser.com/Codes/Details/245002007
- FMA:37418
- MA:0002314
- NCIT:C52703
- null:http://en.wikipedia.org/wiki/Dorsal_interossei_muscles_(hand)
- Action: abducts medial digits
- The dorsal interossei of the hand are muscles that occupy the space between the metacarpals. There are four dorsal interossei in each hand. They are specified as 'dorsal' to contrast them with the palmar interossei, which are located on the anterior side of the metacarpals. The dorsal interosseous muscles are bipennate, with each muscle arising by two heads from the adjacent sides of the metacarpal bones, but more extensively from the metacarpal bone of the finger into which the muscle is inserted. They are inserted into the bases of the proximal phalanges and into the extensor expansion of the corresponding extensor digitorum tendon. The middle digit has two dorsal interossei insert onto it while the first digit (thumb) and the fifth digit (little finger) have none[WP].
- musculi interossei dorsales manus
- dorsal interosseous of hand
- dorsal manus interosseous muscle
- dorsal hand interosseus muscle
- uberon
- dorsal interosseous muscle of hand
- UBERON:0001503