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Definition: 'Intrinsic Muscles Of Hand'

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intrinsic muscles of hand

Type: Term

Definitions:
1. muscles fully contained (origin, belly, and insertion) within the hand (palm and fingers); the intrinsic hand muscles are arranged in layers that are divided into radial (thenar), central (palmar), and ulnar (hypothenar) muscles; they act on the carpometacarpal, metacarpophalangeal, and interphalangeal joints directly or via the extensor apparati; most thenar intrinsic muscles are innervated by the median nerve; all other intrinsic hand muscles are innervated by the ulnar nerve.

The definition information for intrinsic muscles of hand is provided by Stedman's. You can search our medical dictionary here.

Stedman's, part of Lippincott Williams & Wilkins, provides a comprehensive line of health-science publications for healthcare professionals and medical students.

Medical Dictionary Copyright © 2006 Lippincott Williams & Wilkins. All rights reserved.







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