Inferior vesical artery

Some sources consider this vessel to be present only in males, and cite the vaginal artery as the homologous structure in females; others consider it to be present in both sexes, with the vessel taking the form of a small branch of a vaginal artery in females.

Structure

Origin

The inferior vesical artery is a branch of the anterior division of the internal iliac artery. It frequently has a common origin with the middle rectal artery.

Course

The inferior vesical artery passes medially across the pelvic floor.

Distribution

The inferior vesical artery is distributed to the trigone and inferior portion of the urinary bladder, the ureter, prostate, vas deferens, and seminal vesicles.vas deferens

The branches to the prostate communicate with the corresponding contralateral vessels.