Male Reproductive System

Question 1

What is the spermatic cord?

Answer 1

cord that passes through the scrotum that contains the vas deferens, blood and lymphatic vessels, and testicular nerves

Question 2

What is the tunica vaginalis?

Answer 2

two-layered outer serous structure formed from the peritoneum

Question 3

What is the tunica albuginea?

Answer 3

web-shaped divisions of the testes the contain seminiferous tubules

Question 4

What do the seminiferous tubules do?

Answer 4

create sperm through the spermatogenic cells

Question 5

What is the rete testis?

Answer 5

network of tubes that exit the seminiferous tubules where sperm partially mature as they move along

Question 6

What is the blood-testis barrier?

Answer 6

tight junctions between cells that surround the seminiferous tubules and produce androgens (testosterone) which is important, so the body does not attack germ cells

Question 7

What is the ampulla?

Answer 7

The part of the vas deferens that widens

Question 8

What is the ejaculatory duct?

Answer 8

where the ductus deferens and the seminal vesicle duct meet, and it passes through the prostate gland and empties into the urethra

Question 9

What does PSA do?

Answer 9

helps detect diseases like prostate cancer

Question 10

What is prostatitis?

Answer 10

refers to a number of inflammatory disorders

Question 11

What is benign prostatic hyperplasia?

Answer 11

non-cancerous enlargement of the gland that begins to occur around 45-50 years

Question 12

What makes up 60-70% of semen?

Answer 12

seminal vesicle fluid

Question 13

What is 10% of semen?

Answer 13

sperm

Question 14

What is 30% of semen?

Answer 14

prostatic fluid

Question 15

What does seminogelin do?

Answer 15

entangles sperm to stick it to the inner walls of the vagina and cervix

Question 16

What is the corpus spongiosum?

Answer 16

midventral erectile body that passes through the penis and encloses the urethra

Question 17

What is the corpora cavernosa?

Answer 17

paired dorsal erectile bodies that are separated by the median septum

Question 18

Which arteries supply the penis with blood when it is flacid?

Answer 18

dorsal

Question 19

What arteries supply the penis when they are erect?

Answer 19

deep

Question 20

When does spermatogenesis begin?

Answer 20

puberty

Question 21

What is the process of spermatogenesis?

Answer 21

mitosis of the spermatogonia which creates spermatocytes that then become spermatids and then finally sperm

Question 22

What is the difference between type A and B spermatogonia?

Answer 22

type A are in the cell to maintain pool of dividing germ cells and type B are pushed into the lumen to become a spermatocyte

Question 23

What process do spermatocytes go to become spermatids?

Answer 23

meiosis

Question 23

What does increase in FSH and LH due to decreased levels of testosterone cause?

Answer 23

male menopause of mid-life crisis

Question 23

What are the three phases of the male sexual response?

Answer 23

excitement (penis becomes erect and cowper’s gland releases fluid)
orgasm (ejaculation)
Resolution (penis becoming flacid)