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Artery: Superior gluteal artery
Gray1244.png
Left gluteal region, showing surface markings for arteries and sciatic nerve.
Internal iliac branches.PNG
Internal iliac artery and some of its branches. Superior gluteal artery labeled at right
Latin arteria glutea superior
Gray's subject #155 622
Supplies Gluteus maximus muscle, Piriformis muscle, Tensor fasciae latae
Source Internal iliac artery   
Vein Superior gluteal veins

The superior gluteal artery (gluteal artery) is the largest branch of the internal iliac artery, and appears to be the continuation of the posterior division of that vessel.

It is a short artery which runs backward between the lumbosacral trunk and the first sacral nerve, and, passing out of the pelvis above the upper border of the Piriformis, immediately divides into a superficial and a deep branch.

Within the pelvis it gives off a few branches to the Iliacus, Piriformis, and Obturator internus, and just previous to quitting that cavity, a nutrient artery which enters the ilium.

Contents

Superficial branch

The superficial branch enters the deep surface of the glutæus maximus, and divides into numerous branches, some of which supply the muscle and anastomose with the inferior gluteal artery, while others perforate its tendinous origin, and supply the integument covering the posterior surface of the sacrum, anastomosing with the posterior branches of the lateral sacral arteries.

Deep branch

The deep branch lies under the Glutæus medius and almost immediately subdivides into two.

Of these, the superior division, continuing the original course of the vessel, passes along the upper border of the Glutæus minimus to the anterior superior spine of the ilium, anastomosing with the deep iliac circumflex artery and the ascending branch of the lateral femoral circumflex artery.

The inferior division crosses the Glutæus minimus obliquely to the greater trochanter, distributing branches to the Glutæi and anastomoses with the lateral femoral circumflex artery.

Some branches pierce the Glutæus minimus and supply the hip-joint.

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 As such, some of the information contained within it may be outdated.

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