WordNet

of or near the head end or toward the front plane of a body
earlier in time (同)prior
a major thoroughfare that bears important traffic
a blood vessel that carries blood from the heart to the body (同)arteria, arterial blood vessel

PrepTutorEJDIC

(場所などが)前の,前部の;(…より)前に位置する《+『to』+『名』》 / (時・事件などが)以前の,先の;(…より)前の《+『to』+『名』》
動脈 / (道路・水路・鉄道などの)勘線,(通信の)主チャンネル

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2016/10/17 23:30:33」(JST)

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The anterior interosseous artery (volar interosseous artery) is an artery in the forearm. It is a branch of the common interosseous artery.

Course

It passes down the forearm on the palmar surface of the interosseous membrane.

It is accompanied by the palmar interosseous branch of the median nerve, and overlapped by the contiguous margins of the flexor digitorum profundus and flexor pollicis longus muscles, giving off in this situation muscular branches, and the nutrient arteries of the radius and ulna.

At the upper border of the pronator quadratus muscle it pierces the interosseous membrane and reaches the back of the forearm, where it anastomoses with the dorsal interosseous artery.

It then descends, in company with the terminal portion of the dorsal interosseous nerve, to the back of the wrist to join the dorsal carpal network.

The anterior interosseous artery may give off a slender branch, the arteria mediana, which accompanies the median nerve, and gives offsets to its substance; this artery is sometimes much enlarged, and runs with the nerve into the palm of the hand.

Before it pierces the interosseous membrane the anterior interosseous sends a branch downward behind the pronator quadratus muscle to join the palmar carpal network.

Function

The anterior interosseous artery supplies the deep layer of the anterior compartment of the forearm, including the flexor digitorum profundus, flexor pollicis longus, and pronator quadratus muscles.

Additional images

Cross-section through the middle of the forearm.
Arteries of the back of the forearm and hand.
Anterior interosseous artery
Anterior interosseous artery
Anterior interosseous artery

References

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

External links

lesson4artofforearm at The Anatomy Lesson by Wesley Norman (Georgetown University)
Atlas image: hand_blood3 at the University of Michigan Health System - "Dorsum of the hand, deep dissection, posterior view"

UpToDate Contents

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English Journal

Quantifying the effects of external shear loads on arterial and venous blood flow: Implications for pressure ulcer development.

Manorama A, Meyer R, Wiseman R, Bush TR.SourceDepartment of Mechanical Engineering, East Lansing, MI 48824, USA.
Clinical biomechanics (Bristol, Avon).Clin Biomech (Bristol, Avon).2013 Apr 20. pii: S0268-0033(13)00066-1. doi: 10.1016/j.clinbiomech.2013.04.001. [Epub ahead of print]
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PMID 23611582

Use of the anterior interosseous artery for external to internal carotid artery bypass procedures: a cadaveric feasibility study.

Tubbs RS, Watanabe K, Loukas M, Cohen-Gadol AA.SourcePediatric Neurosurgery, Children's Hospital of Alabama , Birmingham, AL , USA.
British journal of neurosurgery.Br J Neurosurg.2013 Apr 19. [Epub ahead of print]
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Extensile surgical exposures of the radius: a comparative anatomic study.

Jockel CR, Zlotolow DA, Butler RB, Becker EH.SourceColorado Permanente Medical Group, Denver, CO, USA. cjockel79@gmail.com
The Journal of hand surgery.J Hand Surg Am.2013 Apr;38(4):745-52. doi: 10.1016/j.jhsa.2012.12.029. Epub 2013 Feb 16.
PURPOSE: To evaluate and compare exposures of the radius using 3 surgical approaches. Our hypotheses were that the anterior flexor carpi radialis approach allows greater exposure of the distal radius than does the volar-ulnar approach, and the extensile flexor carpi radialis approach allows comparab
PMID 23419709

Japanese Journal

症例手関節掌側の切創により手部壊死を生じた1例

小林由香,池田全良,齋藤育雄 [他]
整形・災害外科 54(9), 1111-1114, 2011-08
NAID 40018943757

Arterial variations of the upper extremities

YALCIN Bulent,KOCABIYIK Necdet,YAZAR Fatih,KIRICI Yalcin,OZAN Hasan
Anatomical science international 81(1), 62-64, 2006-03-01
NAID 10017615736

「前骨間動脈」

Anterior interosseous artery
	Ulnar and radial arteries, deep view (volar interosseous labeled vertically at center)
	Arteries in the elbow (anterior interosseous artery labelled as volar interosseous artery)
Details
Source	Common interosseous artery
Branches	Muscular branches, nutrient arteries of radius and ulna,; branch to palmar carpal network
Supplies	Forearm including radius and ulna
Identifiers
Latin	Arteria interossea anterior,; arteria interossea volaris
TA	A12.2.09.048
FMA	22810
	Anatomical terminology; [edit on Wikidata]