Iliolumbar vein
Iliolumbar Vein
The Iliolumbar vein (Pronunciation: il-ee-oh-LUM-bar vein) is a significant vein in the human body that drains the iliac region and the lumbar region.
Etymology
The term "Iliolumbar" is derived from the Latin words "ilium," meaning flank, and "lumbus," meaning loin. This vein is named for the areas it primarily serves - the iliac and lumbar regions.
Anatomy
The iliolumbar vein originates in the pelvis and ascends to join the common iliac vein. It typically drains the fifth lumbar vertebra, the iliacus muscle, the psoas major muscle, and the quadratus lumborum muscle.
Function
The primary function of the iliolumbar vein is to drain deoxygenated blood from the lower back and pelvic region and return it to the heart via the inferior vena cava.
Related Terms
- Iliac Vein: The vein that the iliolumbar vein drains into.
- Lumbar Vein: A vein that drains the lumbar region and often connects with the iliolumbar vein.
- Inferior Vena Cava: The large vein that carries deoxygenated blood from the lower half of the body back to the heart.
External links
- Medical encyclopedia article on Iliolumbar vein
- Wikipedia's article - Iliolumbar vein
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