Medial circumflex femoral artery

Medial circumflex femoral artery
	The profunda femoris artery, femoral artery and their major branches - right thigh, anterior view. Circumflex femoral arteries labeled.
Details
Source	deep femoral artery, femoral artery
Supplies	thigh
Identifiers
Latin	arteria circumflexa femoris medialis
TA	A12.2.16.021
FMA	20799
	Anatomical terminology;

The medial circumflex femoral artery (internal circumflex artery, medial femoral circumflex artery) is an artery in the upper thigh that helps supply blood to the neck of the femur. Damage to the artery following a femoral neck fracture may lead to avascular necrosis (ischemic) of the femoral neck/head.[1]

Structure

The medial femoral circumflex artery arises from the medial and posterior aspect of the profunda femoris artery, and winds around the medial side of the femur, passing first between the pectineus and iliopsoas muscles, and then between the obturator externus and the adductor brevis muscles.

The medial femoral circumflex artery may occasionally arise directly from the femoral artery.

Branches

At the upper border of the adductor brevis it gives off two branches:

The ascending branch
The descending branch descends beneath the adductor brevis, to supply it and the adductor magnus; the continuation of the vessel passes backward and divides into superficial, deep, and acetabular branches.
- The superficial branch
- The deep branch
- The acetabular branch

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References

This article incorporates text in the public domain from page 630 of the 20th edition of Gray's Anatomy (1918)

Mannella, P; Galeotti, R; Borrelli, M; Benea, G; Traina, G. C.; Massari, L; Chiarelli, G. M. (1986). "L'arteriografia selettiva nelle fratture della testa femorale" [Selective arteriography in femoral head fractures]. La Radiologia Medica (in Italian). 72 (6): 462–5. PMID 3715086.

Additional Images

Medial circumflex femoral artery

External links

Medial_femoral_circumflex_artery at the Duke University Health System's Orthopedics program
Anatomy figure: 12:04-06 at Human Anatomy Online, SUNY Downstate Medical Center - "Arteries of the lower extremity shown in association with major landmarks."

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[1] Mannella, P; Galeotti, R; Borrelli, M; Benea, G; Traina, G. C.; Massari, L; Chiarelli, G. M. (1986). "L'arteriografia selettiva nelle fratture della testa femorale" [Selective arteriography in femoral head fractures]. La Radiologia Medica (in Italian). 72 (6): 462–5. PMID 3715086.