Acetabular branch of medial circumflex femoral artery

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Acetabular branch of the medial circumflex femoral artery is a significant arterial vessel contributing to the vascular supply of the hip joint and adjacent structures. This artery, a branch of the medial circumflex femoral artery, plays a crucial role in the circulatory network around the hip, particularly in supplying blood to the acetabulum, the cup-shaped socket of the hip joint where the head of the femur fits.

Anatomy[edit | edit source]

The medial circumflex femoral artery, from which the acetabular branch originates, is itself a branch of the femoral artery, a major blood vessel that supplies the lower limb. After branching off, the acetabular branch courses towards the acetabulum, navigating through the complex anatomy of the hip region. It often runs beneath or through the muscles and tendons surrounding the hip, making its way to the joint.

Function[edit | edit source]

The primary function of the acetabular branch is to supply oxygenated blood to the acetabulum and to parts of the femoral head. This vascular supply is essential for the nourishment and maintenance of the hip joint structures. Adequate blood flow through the acetabular branch is crucial for the health of the joint, contributing to the repair processes and overall joint integrity.

Clinical Significance[edit | edit source]

The acetabular branch of the medial circumflex femoral artery holds significant clinical importance due to its role in supplying blood to the hip joint. Compromise of this artery can lead to avascular necrosis of the femoral head, a condition where the bone tissue dies due to a lack of blood supply. This condition can result in severe pain and mobility issues. Understanding the anatomy and function of this artery is crucial for surgical interventions in the hip area, including hip replacement and fracture repair, to avoid inadvertent damage to the vascular supply.

Surgical Considerations[edit | edit source]

During hip surgeries, particularly those involving the acetabulum or femoral head, preserving the acetabular branch of the medial circumflex femoral artery is paramount. Surgeons must have a detailed understanding of the artery's typical course and variations to minimize the risk of injury to this vessel. Damage to the acetabular branch can compromise blood supply to the hip joint, potentially leading to complications such as avascular necrosis or delayed healing.

See Also[edit | edit source]

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Contributors: Prab R. Tumpati, MD