Male Reproductive System

Question 1

testes function

Answer 1

• production of spermatozoa
• adjust fluid composition
• recycles spematozoa
• secretion of testosterone

Question 2

spermatogenesis

Answer 2

• in seminiferous tubules
• mitotic divisions
• first primary spermatocytes
• then secondary spermatocytes
• then spermatid

Question 3

spermiogenesis

Answer 3

spermatids become spermatozoa (23 chromosomes)

Question 4

epididymis

Answer 4

a duct-like organ that connects the testis to the vas deferens

Question 5

epididymis functions

Answer 5

• sperm transport
• sperm maturation

Question 6

accessory glands

Answer 6

make 95% of the semen volume and empty their secretions

Question 7

seminal vesicles

Answer 7

secrete an alkaline, viscous fluid containing fructose, prostaglandins

Question 8

prostate glands

Answer 8

a single, doughnut-shaped gland that secreting a milky, slightly acidic fluid containign citric acid, proteolytic enzymes and antibiotic

Question 9

bulbourethral glands

Answer 9

secrete an alkaline fluid during sexual arousal that neutralises acids from urine and mucus for lubrication

Question 10

penis regions

Answer 10

• root
• body
• glans

Question 11

penis root

Answer 11

fixed portion that attaches the penis to the body wall

Question 12

penis body

Answer 12

tubular, movable portion

Question 13

penis glans

Answer 13

expanded distal end that surrounds the urethral orifice

Question 14

penis

Answer 14

erectile tissue will be essential for erection process

Question 15

urethra

Answer 15

• carries semen and urine
• fluid exits at external urethral orifice

Question 16

testosterone

Answer 16

• promote spermatogenesis
• can be transformed into oestrogen
• maintain libido and related behaviours
• stimulate bone and muscle growth
• male secondary characteristics

Question 17

dihydrotestosterone (DHT)

Answer 17

• testosterone transformed into DHT
• prostate growth
• sebaceous gland activity
• male pattern baldness
• body, facial, and pubic hair growth