Dorsal metacarpal arteries

Dorsal metacarpal arteries
Arteries of the back of the forearm and hand. (Dorsal metacarpal visible at bottom center.)
Details
Source	Dorsal carpal arch
Branches	Dorsal digital arteries
Vein	Dorsal metacarpal veins
Identifiers
Latin	Arteriae metacarpales dorsales
TA	A12.2.09.034
FMA	70800
*Anatomical terminology* [edit on Wikidata]

Most of the dorsal metacarpal arteries arise from the dorsal carpal arch and run downward on the second, third, and fourth dorsal interossei of the hand and bifurcate into the dorsal digital arteries. Near their origin, they anastomose with the deep palmar arch by perforating arteries. They also anastomose with common palmar digital arteries (from the superficial palmar arch), also via perforating arteries.

The first dorsal metacarpal artery arises directly from the radial artery before it crosses through the two heads of the first dorsal interosseous muscle.

References

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

Atlas image: hand_blood3 at the University of Michigan Health System - "Dorsum of the hand, deep dissection, posterior view"

Shoulder (before teres minor)

1st part	Superior thoracic artery

2nd part	Thoracoacromial artery pectoral branch acromial branch clavicular branch deltoid branch Lateral thoracic artery

3rd part	Subscapular artery scapular anastomosis circumflex scapular artery thoracodorsal artery anterior humeral circumflex artery posterior humeral circumflex artery

Forearm (before cubital fossa)

forearm	radial recurrent

wrist/carpus	Dorsal carpal branch dorsal carpal arch Palmar carpal branch deep palmar arch

hand	Superficial palmar branch princeps pollicis radialis indicis artery superficial palmar arch

forearm	ulnar recurrent anterior posterior common interosseous anterior posterior interosseous recurrent

wrist/carpus	Dorsal carpal branch dorsal carpal arch Palmar carpal branch superficial palmar arch

Arterial Arches

Dorsal carpal arch	dorsal metacarpal dorsal digital

Palmar carpal arch	superficial palmar arch common palmar digital proper palmar digital deep palmar arch palmar metacarpal

This article is issued from Wikipedia - version of the 6/9/2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.