Neurovascular Supply of Pelvic Organs

Question 1

Vaginal blood supply

Answer 1

Internal Iliac > Vaginal and Uterine Arteries

Question 2

Vaginal venous drainage

Answer 2

Vaginal Venous Plexus > Uterine Vein > Internal Iliac

Question 3

Ovarian blood supply

Answer 3

Abdominal Aorta > Paired Ovarian Arteries

Small supply from Internal Iliac > Uterine Artery

Question 4

Ovarian venous drainage

Answer 4

Left Ovarian Vein > Left Renal Vein

Right Ovarian Vein > IVC

Question 5

Uterine tube blood supply

Answer 5

Abdominal Aorta > Paired Ovarian

Internal Iliac > Uterine Artery

Question 6

Uterine tube venous drainage

Answer 6

Left Ovarian Vein > Left Renal Vein

Right Ovarian Vein > IVC

Question 7

Uterus and cervix blood supply

Answer 7

Internal Iliac > Uterine Artery

Question 8

Uterus and cervix venous drainage

Answer 8

Plexus in Broad Ligament > Uterine Veins

Question 9

Nerve supply to the clitoris

Answer 9

Dorsal Nerve of Clitoris (Branch of Pudendal)

Question 10

Nerve supply of penis

Answer 10

Dorsal Nerve of penis (Branch of Pudendal)

Question 11

Innervates gluteus medial, gluteus minimus and tensor fascia latae muscles

Answer 11

Superior Gluteal Nerve

Question 12

Innervates posterior thigh muscles

Answer 12

Lumbosacral Trunk (L4-L5)

Question 13

Route of pudendal nerve out exiting pelvis

Answer 13

Greater Sciatic Foramen > Lesser Sciatic Foramen > Pudendal Canal

Question 14

Pelvic autonomic functions

Answer 14

Emptying Bladder, Internal Urethral Sphincter, Rectal Motility

Question 15

Nerves contributing to superior hyopgastric plexus

Answer 15

Sympathetic Supply from Thoracolumbar Splanchnic Nerves T10-L2

Question 16

Nerves contributing to inferior hypogastric plexus

Answer 16

Sympathetic Supply from Superior Hypogastric Plexus
and Sacral Splanchnic Nerves of Sympathetic Chain
Parasympathetic Supply from S2-S4