Male Anatomy

Question 1

what is the route of sperm?

Answer 1

seminiferous tubules -> rete testes -> epididymis -> vas deferens -> ejaculatory duct -> urethra -> external urethral meatus

Question 2

what do the bulbourethral glands secrete?

Answer 2

mucus

Question 3

what produces alkaline fluid? why?

Answer 3

prostate gland

neutralise vaginal acidity

Question 4

what is the site for sperm maturation?

Answer 4

epididymis

Question 5

where is sperm produced?

Answer 5

testes

Question 6

label

Answer 6

Question 7

where is the internal urethral sphincter?

Answer 7

bladder neck

Question 8

is the internal urethral sphincter involuntary or voluntary?

Answer 8

involuntary

Question 9

what lies inferior to the bladder?

Answer 9

prostate gland

Question 10

when does the internal urethral sphincter contract?

Answer 10

during ejaculation

Question 11

where do the testes originate?

Answer 11

posterior wall of abdominal cavity

Question 12

what structure do the testes pass through to descend?

Answer 12

inguinal canal

Question 13

what does the spermatic cord contain?

Answer 13

testicular artery

testicular vein

vas deferens

lymphatic vessels

nerves (autonomic - vas def, and somatic - cremaster muscle)

Question 14

what 3 layers cover the spermatic cord?

Answer 14

internal spermatic fascia

cermasteric fascia

external spermatic fascia

Question 15

3 layers of muscles of abdo (most superficial to deepest)

Answer 15

external oblique

internal oblique

transversus abdominis

Question 16

what is the sac surrounding the testes called?

Answer 16

tunica vaginalis

Question 17

where is sperm produced?

Answer 17

seminiferous tubules

Question 18

name the muscle in the scrotum?

Answer 18

dartos muscle

Question 19

label

Answer 19

Question 20

label

Answer 20

Question 21

where do the testicular veins drain into?

Answer 21

left - left renal vein

right - IVC

Question 22

what is seminal fluid rich in?

Answer 22

fructose

Question 23

what does cowper’s gland do?

Answer 23

secretes mucus to lubricate urethra

Question 24

label

Answer 24

Question 25

in a vasectomy, what is cut?

Answer 25

vas deferens

Question 26

name the 3 cylinders of erectile tissue in the penis?

Answer 26

R and L corpus cavernosum

corpus spongiosum

Question 27

label

Answer 27

Question 28

blood supply to the penis?

Answer 28

deep arteries of the penis <- internal pudendal <- internal iliac

Question 29

blood suppy to the scrotum?

Answer 29

internal pudendal <- external iliac

Question 30

where does lymph from penis drain?

Answer 30

inguinal (in the groin)

Question 31

where does lymph from the testes drain?

Answer 31

lumbar nodes (around AA)

Question 32

what is used to measure the size of testes?

Answer 32

orchidometer

Question 33

what is the normal prepubertal size of testes?

Answer 33

1-3ml