internal iliac vein


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.

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]

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
References in periodicals archive ?
Lee, "Anatomical variations of the internal iliac veins in the presacral area: clinical implications during sacral colpopepxy or extended pelvic lymphadenectomy," Clinical Anatomy, vol.
Once the vessels are identified, a right angle clamp is gently and firmly inserted between the internal iliac artery and internal iliac vein from lateral-to-medial side (To avoid the injury to external iliac vessels which lie laterally).
Similarly, the extended PLND area, which also included LNs medial and lateral to the internal iliac vein, missed up to 37% of the primary LNs.
Left internal iliac vein was seen crossing the midline to drain into the right common iliac vein (Figure 4).
Uterine vein follows the uterine artery and drains into internal iliac vein. Ovarian vein also follows the ovarian artery; right vein drains into inferior vena cava but the left drains into left renal vein (can be explained embryologically).
None of our patients developed internal iliac vein injury or ischaemic complications in postoperative period.