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Anterior interosseous nerve

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Nerve: Anterior interosseous nerve
Gray817
Deep palmar nerves. (Volar interosseous labeled at center top.)
Gray816
Nerves of the left upper extremity. (Volar interosseus labeled at center right.)
Latin nervus interosseus antebrachii anterior
Gray's subject #210 938
Innervates
From Median nerve
To
MeSH [1]

The anterior interosseous nerve (volar interosseous nerve) is a branch of the median nerve that supplies the deep muscles on the front of the forearm, except the ulnar half of the flexor digitorum profundus.

It accompanies the anterior interosseous artery along the front of the interosseous membrane of the forearm, in the interval between the flexor pollicis longus and flexor digitorum profundus, supplying the whole of the former and the radial half of the latter, and ending below in the pronator quadratus and wrist joint.

Many texts, for simplicity's sake, consider this nerve part of the median nerve.

InnervationEdit

The anterior interosseous nerve innervates 2.5 muscles:

These muscles are in the deep level of the anterior compartment of the forearm.

See alsoEdit

External linksEdit

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.


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