Repro anat (AVNL)

Question 1

Blood supply of vagina

Answer 1

Uterine, vaginal, Internal pudendal A. (lower 1/5)

Question 2

Lymph drainage of vagina

Answer 2

Upper 4/5 - Iliac nodes
Lower 1/5 - Superficial inguinal nodes

Question 3

Nerve supply of vagina

Answer 3

Upper 4/5 - Inf. hypogastric plexus (only sensitive to stretch)
Lower 1/5 - Pudendal (somatic)

Question 4

Levator ani innervation

Answer 4

Perineal branch of S4
Pudendal N. (S2-4)

Question 5

Major blood supply of the pelvis

Answer 5

Internal iliac artery

Question 6

Prostate blood supply

Answer 6

Internal iliac artery
- Inf. vesical artery
- Middle rectal artery
- Internal pudendal artery

Question 7

Prostate venous drainage

Answer 7

Prostatic plexus
-> Internal iliac vein

(deep dorsal vein of penis also drains into PP)

Question 8

What is special about prostatic plexus?

Answer 8

Valveless
Communicates w/ vertebral venous plexus
(metastasis of prostate cancer)

Question 9

Uterus blood supply

Answer 9

Uterine artery

Question 10

Ovary blood supply

Answer 10

Ovarian artery (direct from abdominal aorta)

Question 11

Fallopian tube blood supply

Answer 11

Urerine artery & ovarian artery

Question 12

Uterus venous drainage

Answer 12

Internal iliac vein

Question 13

Uterus lymphatic drainage

Answer 13

Internal iliac lymph nodes

Question 14

Uterus innervation

Answer 14

Inf hypogastric plexus
Sympathetic
- T12-L1
Parasympathetic
- Pelvic splanchnic nerve (S2-4)

Question 15

What does sympathetic/parasympathetic signals do to the uterus?

Answer 15

Sympathetic
- contraction & vasoconstriction

Parasympathetic
- inhibition & vasodilation

Question 16

Pelvic pain line - describe

Answer 16

Where the visceral pain goes

Above / in contact with peritoneum
- via sympathetic splanchnic nerves

Below peritoneum
- via parasympathetic pelvic splanchnic nerves