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Posterior Branch of Obturator Artery (Right)
Cardiovascular System

Posterior Branch of Obturator Artery (Right)

Ramus posterior arteriae obturatoriae

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Quick Facts

Origin: The obturator artery from the anterior division of internal iliac artery.

Course: Lateral margin of obturator foramen.

Branches: Acetabular branch.

Supplied Structures: Muscles attaching to the ischial tuberosity.

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The posterior branch originates from the obturator artery as it passes through the obturator foramen, between obturator externus muscle and the obturator membrane.


The posterior branch of obturator artery travels along the lateral border of the obturator foramen on the anterior surface of the obturator membrane.


The posterior branch of the obturator artery gives rise to the acetabular branch of the obturator artery.

Supplied Structures

The posterior branch supplies muscles attaching to the ischial tuberosity including the semimembranosus, semitendinosus, and biceps femoris muscles. The acetabular branch enters and supplies the hip joint.

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Complete Anatomy