Male Reproductive System

Question 1

What are the functions of the male reproductive system?

Answer 1

• Production of male sex hormones
• production of testosterone
• introduction of male gametes into female reproductive organs
• production of inhibin in adult and PMDH/AMH in male embryo

Question 2

Where does spermatogenesis take place?

Answer 2

testis

Question 3

What is the testis surrounded by?

Answer 3

tunicae vaginalis and tunica albuginea

Question 4

What is tunica vaginalis composed of?

Answer 4

mesothelium and connective tissue layer

Question 5

T or F: tunica vaginalis has a visceral and parietal layer?

Answer 5

True

Question 6

What is tunica albuginea made up of?

Answer 6

dense connective tissue composed of collagen fibers, few elastic fibers and myofibroblasts

Question 7

What is spetule testis?

Answer 7

continuous with tunica albuinea, it separates seminiferous tubules

Question 8

How large are seminiferous tubules?

Answer 8

60-80 cm in length

Question 9

What are seminiferous tubules lined by?

Answer 9

spermatogenic epithelium which is then lined by lamina propria of collagen and elastic fibers

Question 10

What are located between seminiferous tubules?

Answer 10

Leydig cells

Question 11

T or F: Spermatogonia are the most immature spermatogenic cells?

Answer 11

True

Question 12

T or F: Spermatogonia lie next to the basement membrane?

Answer 12

true

Question 13

What are myoid cells?

Answer 13

located outside basement membrane of each tubule

move spermatozoa out of tubules

Question 14

What is the spermatic pathway?

Answer 14

seminiferious tubules
tubuli recti 
rete testis
efferent ductules 
epididymal duct 
ductus deferens
pelvic urethra
penile urethra

Question 15

Where do seminiferous tubules empty into?

Answer 15

testicular tubules and then into rete testis

Question 16

What are sertoli cells?

Answer 16

tall cells that extend basement membrane to lumen of tubule

pale oval, triangular nuclei

Question 17

What are the functions of sertoli cells?

Answer 17

support, protect, nourish spermatogenic cells
secrete testicular fluid
protect spermatids from immune system

Question 18

T or F: Sertoli cells have receptors for FSH, that release androgen binding protein

Answer 18

true

Question 19

What is anti-mullerian hormone?

Answer 19

hormone produced by sertoli cells that prevent formation of mullerian duct and oviduct

Question 20

What is inhibin?

Answer 20

supresses secreation of FSH

Question 21

What does the nuclei of a Leydig cell look like? Cytoplasm?

Answer 21

small, round and euchromatic

cytoplasm is acidophlilic

Question 22

What is the function of Leydig cells?

Answer 22

secrete testosterone

Question 23

T or F: testosterone is responsible for sex drive?

Answer 23

True

Question 24

What is an anabolic effect? What hormone exhibit it?

Answer 24

stimulates growth of skeletal muscles and bones

testosterone

Question 25

What vascular supply is the spermatic cord composed of?

Answer 25

testicular artery testicular vein Lymphatics Ductus deferens

Question 26

What is the rete testis lined by?

Answer 26

simple squamous to cuboidal epithelium

Question 27

What is the epididymis duct of a testis?

Answer 27

one long coiled tubule | composed of the head, body, tail

Question 28

What is the epididymal duct lined by?

Answer 28

pseudostraified columar epithelium with sterocilla

Question 29

What are the main functions of the epididymal duct?

Answer 29

90% fluid resorption and secretion of glycerophosphocholine

Question 30

What is the ductus deferens lined by?

Answer 30

pseudostratified columnar epithelium with stereocilla

Question 31

What are muscularis ?

Answer 31

contractions that propel spermatozoa

Question 32

What are four accessory glands?

Answer 32

bulbourethral glands prostate glands ampullary glands vesicular glands

Question 33

T or F: all accessory glands are tubuloalveloar?

Answer 33

True

Question 34

What are vesicular glands lined by?

Answer 34

pseudostratified epithelum with tall columnar cells and basal cells

Question 35

What is the function of vesicular glands?

Answer 35

produce fructose which is the source of energy for sperm cells

Question 36

What is the prostate lined by?

Answer 36

simple cuboidal to columnar epithelium

Question 37

T or F: Prostatic concretions (corpora amylacea) are seen in lumen of prostate and they increase with age

Answer 37

True

Question 38

What is the prostate surrounded by?

Answer 38

fibroelastic capsule

Question 39

Where do bulbourethral glands empty into?

Answer 39

pelvic urethra

Question 40

What is corpora cavernosa?

Answer 40

paired masses of erectile tissue in penis

Question 41

What is corpus spongiosum?

Answer 41

single mass of erectile tissues that surrounds the urethra

Question 42

What are the three portions of the male urethra?

Answer 42

prostatic, pelvic and penile