Reprod 1: Male reprod Flashcards
how many chromosomes do gametes have
in meiosis: how many DNA replications? how many cell divisions?
in mitosis: how many dna reps? how many cell divisions?
what is the pathway in the hypothalamic pituitary control of reproduction
how does GnRH know whether to make FSH or LH
high pulses of GnRH neurons code for:
low pulses of GnRH neurons code for:
wheree are sperm produced
where do sprem mature
what is the optimal temperature for sperm? what maintains this temp?
how many sperm are produced per day
what are sertoli cells?
what are leydig cells?
what is closer to the centre of the testis: sertoli or leydig
what do leydig cells secrete
what are tight junctions and the blood testis barrier necessary
what do sertoli cells have to do with the tight junction
What are spermatogonia? when are they formed?
what happens to one of the two spematognium?
how is a spermatocyte produced?
how is a spermatid produced?
how is spermatozoa produced?
what is spermiogenesis?
Describe the full steps of spermatogenesis
what is the acrosome responsible for?
What does semen contain
Whih glands are responsible for secreting chemicals to go in semen
semen transfer regulation pathway from erotic stimuli
semen transfer regulation pathway from tactile stimili
what is the pathway from GnRH to ABP
what is the pathway from GnRH to testosterone
what is the pathway from GnRH to inhibin
What is the pathway from GnRH to spermatogonium
What happens when FSH stimulates sertoli cells
What happens when LH stimulates leydig cells
How is testosterone secreted throughout life
how does testosterone turn into DHT
what does testosterone do to sex specific tissues
what does testosterone do to sex drive, GnRH, LH
how does testosterone contribute to secondary sex characteristics
what are the nonreproductive effects of testosteerone
what happens if you inhibit 5aplpha reductase
what does 5reductase inhibitor do to prostate growth