Iliac branch of iliolumbar artery

Iliac branch of iliolumbar artery is a significant anatomical structure in the human body. It is a branch of the iliolumbar artery, which itself is a branch of the internal iliac artery. The iliac branch of the iliolumbar artery supplies blood to the iliacus muscle, a large muscle in the lower back.

Etymology

The term "iliac" is derived from the Latin "ilium," referring to the uppermost and largest part of the hip bone. "Lumbar" comes from the Latin "lumbus," meaning loin. The term "artery" comes from the Greek "arteria," meaning a windpipe or artery. The term "iliolumbar" thus refers to the region of the body where the ilium and lumbar regions meet.

Anatomy

The iliac branch of the iliolumbar artery originates from the posterior division of the internal iliac artery. It travels posteriorly and laterally to reach the iliacus muscle, which it supplies with oxygenated blood. The artery may give off several small branches along its course, which supply the surrounding structures.

Clinical significance

The iliac branch of the iliolumbar artery is an important structure in surgical procedures involving the lower back and hip. Knowledge of its exact location and the structures it supplies is crucial for avoiding damage to the artery and ensuring adequate blood supply to the iliacus muscle and surrounding structures.

Related terms

• Iliolumbar artery
• Internal iliac artery
• Iliacus muscle

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