Practical 1 - Station 3: Vessels, nerves and lymph nodes of the pelvis

Question 1

What parts of the pelvic cavity are not supplied by the internal iliac artery?

Answer 1

Testis

Ovary

Upper rectum

Question 2

What is the blood supply of the testis/ovary?

Answer 2

Gonadal artery

Branch of the abdominal aorta

Question 3

What is the blood supply of the upper rectum?

Answer 3

Sup rectal artery

Branch of the IMA

Question 4

What are the main branches of the Internal iliac artery?

Answer 4

Iliolumbar

Sacral

Superior gluteul

Inf gluteul

Inf pudendal

Middle rectal

Uterine

Obturator

Question 5

What vessels are supplied by the superior and inferior vesical arteries?

Answer 5

Bladder

Seminal vesicle

Prostate

Question 6

What organs are supplied by the uterine artery?

Answer 6

Uterus

• And branches to form vaginal artery

Question 7

What organs are supplied by the middle and inferior rectal arteries?

Answer 7

Middle and distal 2/3rds of the rectum

Question 8

What organs are supplied by the vaginal artery?

Answer 8

Vagina

Question 9

What is the vaginal artery a branch of?

Answer 9

Uterine artery

Question 10

What is supplied by the internal pudendal artery?

Answer 10

Perineum

Question 11

What structures are supplied by the obturator artery?

Answer 11

Pelvic muscles

Question 12

What are the 5 veins that make up the venous drainage of the pelvis?

Answer 12

Internal iliac

Superior rectal

Median sacral

Gonadal

Internal vertebral venous plexus

Question 13

What part of the rectum drains into the portal circulation?

Answer 13

Proximal 1/3rd

Question 14

What part of the rectum drains into systemic circulation?

Answer 14

Distal 2/3rds

Question 15

What do the veins along the sides and base of the prostate join to form?

Answer 15

The prostatic venous plexus

Question 16

What venous plexus does the prostatic venous plexus communicate with and why is it clinically significant?

Answer 16

Internal vertebral venous plexuses

• Means cancer can spread to vertebral column and skull

Question 17

What somatic nerve is responsible for supplying sensation to the skin at the root of the penis and the labia?

Answer 17

Ilioinguinal nerve

Question 18

What is the course of the ilioinguinal nerve?

Answer 18

Originates at L1

Travels through the inguinal canal

Question 19

What is the origin of the genitofemoral nerve?

Answer 19

L1-L2

Question 20

Where does the genitofemoral nerve enter the inguinal canal?

Answer 20

Deep inguinal ring

Question 21

What structures in the male are supplied by the genital branch of the genitofemoral nerve?

Answer 21

Cremaster muscle

Anterior scrotal skin

Question 22

What muscle does the genitofemoral nerve run along?

Answer 22

Psoas major

Question 23

What is the origin of the pudendal nerve?

Answer 23

Sacral plexus

Question 24

What is supplied by the pudendal nerve?

Answer 24

The skin and muscles of the perineum

Question 25

What vessel does the pudendal nerve run along with to reach the perineum?

Answer 25

Pudendal artery

Question 26

What are the root values of the pudendal nerve?

Answer 26

S2-S4

Question 27

What region does the pudendal nerve travel through and how can it be clinical taken advantage of?

Answer 27

The gluteul region Bilateral pudendal nerve block for pain relief during childbirth

Question 28

What bony landmarks are used for a pudendal nerve block?

Answer 28

Ischial spine Ischial tuberosity

Question 29

What is the **_SYMPATHETIC_** supply of the vas deferens, seminal vesicle, prostate and epididymis?

Answer 29

Hypogastric plexus

Question 30

What are the nerve roots of the **_SYMPATHETIC_** hypogastric plexus?

Answer 30

L1-L2

Question 31

What is the **_SYMPATHETIC_** supply of the female genital tract?

Answer 31

Pelvic and ovarian plexuses

Question 32

What is the **_PARASYMPATHETIC_** supply of both female and male erectile organs?

Answer 32

Pelvic splanchnic nerves via the hypogastric plexus

Question 33

What are the nerve roots of the pelvic splanchnic nerves?

Answer 33

S2, S3, S4

Question 34

What are the erectile structures in the male?

Answer 34

Corpus cavernosum

Question 35

What are the erectile structures in the female?

Answer 35

Labia minora Clitoris

Question 36

Why are some men unable to ejaculate after rectal surgery?

Answer 36

Damage to the pudendal nerve

Question 37

What are the main groups of lymph nodes draining the pelvic cavity?

Answer 37

External iliac Internal iliac Sacral Common iliac

Question 38

Where does the inguinal region drain?

Answer 38

External iliac

Question 39

Where does the penis drain?

Answer 39

External iliac

Question 40

Where does the prostate drain?

Answer 40

External iliac

Question 41

Where does the gluteul region drain?

Answer 41

Internal iliac

Question 42

Where does the deep perineum drain?

Answer 42

Internal iliac

Question 43

Where does the inferior pelvic viscera drain?

Answer 43

Internal iliac

Question 44

Where does the rectum drain?

Answer 44

Sacral

Question 45

Where does the posterior pelvic wall drain?

Answer 45

Sacral

Question 46

What do all the external and internal iliac and the sacral lymph nodes drain into?

Answer 46

Common iliac