male reproductive system

Question 1

what is name for serous membrane covering testes?

Answer 1

tunica vaginalis

Question 2

what is mediastinum testes?

Answer 2

network of fibrous connective tissue that extends from top to near bottom of testes

Question 3

what propels sperm through seminiferous tubules?

Answer 3

peristalsis (from smooth muscle )

Question 4

what are structure of seminiferous tubules?

Answer 4

seminiferous epithelium surrounded by MYOID CELLS

Question 5

what are sertoli cells sensitive to?

Answer 5

FSH

Question 6

what roles do sertoli cells have?

Answer 6

nutritional and mechanical support to germ cells
secretory
steroidogenic (role in synthesis of C21 (produce testosterone)
phagocytoic

Question 7

give some characteristics of sertoli cells

Answer 7

non-proliferative, simple columner epithlial cells

Question 8

where are leydig cells found?

Answer 8

in connective tissue between seminiferous tubules

Question 9

what type of cell are leydig cells?

Answer 9

polyhedral

Question 10

what do leydig cells do?

Answer 10

produce testosterone in response to LH

Question 11

what factors can effect testicular function?

Answer 11

radiation, age, heat, vasectomy

Question 12

what is \ph of semen?

Answer 12

7.35-7.5

Question 13

what does ejactulate consist of?

Answer 13

sial proteins, acid phosphatase (prostate), sperm , fructose , K, prostaglandins (motility) and enzyms

Question 14

was comes from bulbourethral gland?

Answer 14

sial proteins

Question 15

what path does sperm take?

Answer 15

seminiferous tubules —> retes testes —> efferent ductules —> epididymis —> vas deferens —> seminal vesicles —> efactulatory duct —> urethra

Question 16

what is vlume of semen produced?

Answer 16

3.4mls

Question 17

what organelles do leydig cells have?

Answer 17

lots of SER and microvilli on surface