internal iliac vein


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Related to internal iliac vein: external iliac vein, ulnar vein, median sacral vein, anterior tibial vein

in·ter·nal il·i·ac vein

[TA]
veins that course in the lesser pelvis from the upper border of the greater sciatic notch to the brim of the pelvis where it joins the external iliac vein to form the common iliac vein; it drains most of the territory supplied by the internal iliac artery.
Synonym(s): vena iliaca interna [TA]

internal iliac vein

one of the pair of veins in the lower body that join the external iliac vein to form the two common iliac veins. Each vein begins at the greater sciatic foramen and at the pelvic brim joins the external iliac vein. Compare external iliac vein.

in·ter·nal il·i·ac vein

(in-tĕr'năl il'ē-ak vān) [TA]
Runs from the upper border of the greater sciatic notch to the brim of the pelvis where it joins the external iliac vein to form the common iliac vein; it drains most of the territory supplied by the internal iliac artery.

internal iliac vein

The vein that accompanies the internal iliac artery; it merges with the external iliac vein to form the common iliac vein. Tributaries of the internal iliac vein include the gluteal, internal pudendal, obturator, lateral sacral, anterior sacral, middle rectal, vesical, uterine, and vaginal veins.
See also: vein