Male reproductive anatomy

Question 1

Where is the epididymis located?

Answer 1

On top of the testis

Question 2

What attaches to the epididymis?

Answer 2

Vas deferens

Question 3

Where is the ejaculatory duct located?

Answer 3

In the prostate gland

Question 4

how long is the male urethra?

Answer 4

20 cm long

Question 5

Where approximately does the elevator anti sit?

Answer 5

Just below the prostate gland

Question 6

Where is the external urethral sphincter located?

Answer 6

Just below the prostate gland

Question 7

Where is the internal urethral sphincter located?

Answer 7

Bladder neck

Question 8

Where does the prostate gland lie in relation to the bladder?

Answer 8

Inferior

Question 9

What is the internal urethral sphincter formed from?

Answer 9

detrusor muscle

Question 10

Internal urethral sphincter is under voluntary/involuntary control?

Answer 10

Involuntary

Question 11

What does the internal urethral sphincter do in response to ejaculation?

Answer 11

Contracts during ejaculation to prevent retrograde ejaculation

Question 12

What do testes travel through to get from posterior wall of abdo cavity -> descended position of the scrotum?

Answer 12

Inguinal canal

Question 13

Components of the spermatic cord

Answer 13

Testicular artery 
Testicular vein 
Vas deferens 
Lymphatic vessels 
Nerves 
- autonomic (vas deferens)
- somatic (cremaster muscle)

Question 14

What is the sac in the scrotum called?

Answer 14

Tunica vaginalis

Question 15

Hydrocele

Answer 15

Excess fluid in the tunica vaginalis

Question 16

Where is sperm produced?

Answer 16

Seminiferous tubules (within the testis)

Question 17

What helps to control temperature of the testis?

Answer 17

Dartos muscle

Question 18

Route of sperm

Answer 18

Produced in seminiferous tubules ->
Rete teste ->
Epididymis ->
Vas deferens

Question 19

The vas deferens can be palpated within the spermatic cord. True or false?

Answer 19

True

Question 20

Blood supply to the testis arises from

Answer 20

The lateral aspect of the abdominal aorta (testicular arteries)

Question 21

Venous drainage from the testis - where does right testicular vein drain to?

Answer 21

IVC

Question 22

Venous drainage from the testis - where does the left testicular vein drain to

Answer 22

Left renal vein

Question 23

2 functions of the prostatic urethra

Answer 23

Drains urine from the bladder

Passes semen in ejaculation

Question 24

What does the vas deferens lie within?

Answer 24

Spermatic cord

Question 25

What does the spongy urethra pass

Answer 25

Passes urine

Ejaculation of sperm

Question 26

Name the 3 cylinders of erectile tissue in the penis

Answer 26

2 x corpus cavernosum

1 x corpus spongiosum

Question 27

What sits more anteriorly, corpus spongiosum or corpus cavernosum?

Answer 27

Corpus spongiosum

Question 28

What transmits the deep arteries of the penis, corpus spongiosum or corpus cavernosum?

Answer 28

Corpus cavernosum

Question 29

What transmits the spongy urethra, corpus spongiosum or corpus cavernosum?

Answer 29

Corpus spongiosum

Question 30

Blood supply to penis

Answer 30

Deep arteries of penis

Question 31

What is deep artery of penis a branch of?

Answer 31

Internal pudendal artery

Question 32

Blood supply to scrotum

Answer 32

Internal pudendal artery

Question 33

Where does lymph from the scrotum and most of the penis drain to?

Answer 33

Superficial inguinal lymph nodes

Question 34

Where does lymph from the testes drain to?

Answer 34

Lumbar lymph nodes