Anatomy - Male Reproductive System

Question 1

what are the male reproductive organs?

Answer 1

the testes

Question 2

what are the accessory male reproductive organs?

Answer 2

vas deferens
seminal glands
prostate gland
penis

Question 3

where is the spongy urethra found?

Answer 3

within the corpus spongiosum

Question 4

what is the most anterior organ in the pelvis in males?

Answer 4

the bladder

Question 5

where does the prostate lie ?

Answer 5

inferior to the bladder

Question 6

what does the detrusor muscle form around the neck of the male bladder?

Answer 6

the internal urethral sphincter muscle

Question 7

what does the internal urethral sphincter do?

Answer 7

contracts during ejaculation to prevent retrograde ejaculation

Question 8

where do the testes originate during development?

Answer 8

on the posterior wall of the abdominal cavity

Question 9

how do the testes descend into the scrotum?

Answer 9

through the anterior abdominal wall via the inguinal canal

Question 10

what is found in the spermatic cord?

Answer 10

testicular artery 
testicular vein 
vas deferens 
lymphatic vessels 
nerves

Question 11

where do the testes sit within the scrotum?

Answer 11

in a sac called the tunica vaginalis

Question 12

what is excess fluid in the tunica vaginalis called?

Answer 12

hydrocele

Question 13

what are the two layers of the tunica vaginalis?

Answer 13

parietal

visceral (cover the testes)

Question 14

where is sperm produced?

Answer 14

the seminiferous tubules

Question 15

what helps to control the temperature of the seminiferous tubules?

Answer 15

dartos muscle

Question 16

where do sperm pass after the seminiferous tubules?

Answer 16

rete testes

head of epididymis

vas deferens

Question 17

what does the epididymis become?

Answer 17

the vas deferens

Question 18

what is the usual volume of a teste?

Answer 18

around 12-25ml

Question 19

where is the epididymis located?

Answer 19

the posterior aspect of the testes

Question 20

where do the arteries that supply the testes arise?

Answer 20

from the lateral aspect of the abdominal aorta

Question 21

where does the left testicular vein drain?

Answer 21

left renal vein

Question 22

where does the right testicular vein drain?

Answer 22

IVC

Question 23

what do the seminal vesicles produce?

Answer 23

seminal fluid

Question 24

what does the prostate surround?

Answer 24

the prostatic urethra

Question 25

what is the inferior aspect of the prostate in contact with?

Answer 25

levator ani

Question 26

where do the majority of prostate cancers arise?

Answer 26

the peripheral zone

Question 27

what are the zones of the prostate?

Answer 27

peripheral

central

Question 28

what part of the prostate is felt on PR exam?

Answer 28

peripheral zone

Question 29

what is the procedure of male sterilisation called?

Answer 29

vasectomy

Question 30

what is involved in a vasectomy?

Answer 30

the vas deferent is transected and its lumen is sutured closed

Question 31

where is the root of the penis attached?

Answer 31

the ischium of the pelvis

Question 32

what are the three cylinders of erectile tissue within the penis?

Answer 32

corpus cavernosum (R+L)
corpus spongiosum

Question 33

what is found in the corpus cavernosum of the penis?

Answer 33

the deep arteries of the penis

Question 34

what is found in the corpus spongiosum of the penis?

Answer 34

the spongy urethra

Question 35

what does the distal expansion of the corpus spongiosum form?

Answer 35

the glans penis

Question 36

what makes up the blood supply to the penis?

Answer 36

the deep arteries of the penis

Question 37

what are the deep arteries of the penis branches of?

Answer 37

internal pudendal artery

from the internal iliac

Question 38

what males up the blood supply to the scrotum?

Answer 38

internal pudendal artery

branches from the external iliac artery

Question 39

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

Answer 39

the superficial inguinal lymph nodes

Question 40

where does lymph from the testes drain to?

Answer 40

the lumbar nodes