Palmaris brevis muscle

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Palmaris brevis muscle
The muscles of the left hand. Palmar surface. (Palmaris brevis visible at center left.)
Latin musculus palmaris brevis
Gray's subject #126 463
Origin: flexor retinaculum (medial), palmar aponeurosis
Insertion: palm
Artery:
Nerve: superficial branch of ulnar nerve
Action: wrinkle skin of palm
Dorlands/Elsevier m_22/12550063

The Palmaris brevis is a thin, quadrilateral muscle, placed beneath the integument of the ulnar side of the hand.

It arises by tendinous fasciculi from the transverse carpal ligament and palmar aponeurosis; the fleshy fibers are inserted into the skin on the ulnar border of the palm of the hand.

The muscle is innervated by the superficial branch of the ulnar nerve , containing fibers from the eighth cervical and first thoracic nerves.

See also

Additional images

External links

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 As such, some of the information contained herein may be outdated.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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