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Palmar Metacarpal Arteries
Cardiovascular System

Palmar Metacarpal Arteries

Arteriae metacarpeae palmares

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The three palmar metacarpal arteries arise from the deep palmar arch.


The palmar metacarpal arteries course distally along the palmar aspect of the metacarpals and anastomose with the common digital arteries from the superficial palmar arch at the distal end of their relative metacarpal bones. In 60% of individuals, the palmar metacarpal arteries do not anastomose with the common or proper digital arteries (i.e., the supply to the palmar aspect of the digits is primarily from the superficial palmar arch) (Tubbs, Shoja and Loukas, 2016).


There are no named branches.

Supplied Structures

The palmar metacarpal arteries supply the medial four metacarpals.


Tubbs, R. S., Shoja, M. M. and Loukas, M. (2016) Bergman's Comprehensive Encyclopedia of Human Anatomic Variation. Wiley.

Learn more about this topic from other Elsevier products


ScienceDirect image

When the artery is occluded blood is forced through the collateral vessels, drastically increasing fluid shear stress and triggering an inflammatory response which drives vessel remodeling.

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