1.1 The Male Reproductive System

Question 1

Where does spermatogenesis occur?

Answer 1

In the seminiferous tubules

Question 2

Where do sperm start to mature?

Answer 2

Epididymis

Question 3

What is the name of the fibrous capsule that the seminiferous tubules are embedded in?

Answer 3

Tunica albuginea

Question 4

What outpost of the peritoneal cavity envelops the testes?

Answer 4

Tunicia vaginalis

Question 5

What fills with fluid in a hyrocoele?

Answer 5

Tunica vaginalis

Question 6

What can be found in the wall of the seminiferous tubules?

Answer 6

Sertoli cells

Question 7

What are sertoli cells important for?

Answer 7

Nurture baby sperm

Important for maturation

Question 8

Where does the right testicular vein drain to?

Answer 8

Vena cava

Question 9

Where does the left testicular vein drain to?

Answer 9

Left renal vein

Question 10

What deformity can predispose someone to testicular torsion?

Answer 10

Bell-clapper deformity

There is a narrower point that the testes can twist around

Question 11

What prevents the testicles from swapping sides?

Answer 11

Fibrous scrotal septum

Question 12

How is the spermatic fascia formed?

Answer 12

Testes evaginate the abdominal wall as they are pulled through by the gubernaculum

Question 13

Name the 3 fascial layers of the spermatic cord

Answer 13

Internal
Cremasteric
External

Question 14

Name the 3 arteries in the spermatic cord

Answer 14

Testicular artery
Artery to vas
Cremasteric artery

Question 15

Name te 3 veins in the spermatic cord

Answer 15

Testicular vein
Vein to vas
Cremasteric vein

Question 16

How is the testicular vein arranged?

Answer 16

In a plexus around the testicular artery

Question 17

Name the three nerves associated with the spermatic cord

Answer 17

Ilioinguinal
Nerve to cremaster
Sympathetic nerves

Question 18

What are the sympathetic nerves responsible for?

Answer 18

Ejaculation

Question 19

What does water under the bridge mean?

Answer 19

Ureter passes under the vas in men

In women the ureter passes under the uterine arteries

Question 20

What do the seminar vesicles produce?

Answer 20

2/3 volume of ejaculate

Fructose rich solution

Question 21

What does the prostate gland produce?

Answer 21

1/4 volume of ejaculate

Alkaline solution to neuralise acidic environment of female reproductive tract

Question 22

Why does the prostate get bigger as men get older?

Answer 22

Responding to androgens

Question 23

Where does Benign Prostate Hypertrophy (BPH) affect?

Answer 23

The transitional zone

Question 24

Where do prostate cancers usually affect?

Answer 24

Peripheral zone

Question 25

Where is the narrowest part of the urethra?

Answer 25

As it goes through the pelvic floor

Question 26

What are the functions of the penis?

Answer 26

Expulsion of urine via urethra Deposition of sperm Removal of competitors sperm? Attraction of mates?

Question 27

Which part of the penis does the urethra travel through?

Answer 27

Corpus spongiosum

Question 28

What are the blocks of erectile tissue in the penis called?

Answer 28

Corpus cavernosum

Question 29

How is erection terminated?

Answer 29

Sympathetic vasoconstriction

Question 30

How is the tunica albuginea arranged?

Answer 30

Collagen fibres arranged at right angles to each other

Question 31

Which artery supplies blood to the penis?

Answer 31

Internal iliac artery