Reprod 1: Male reprod Flashcards
1
Q
how many chromosomes do gametes have
A
2
Q
in meiosis: how many DNA replications? how many cell divisions?
A
3
Q
in mitosis: how many dna reps? how many cell divisions?
A
4
Q
what is the pathway in the hypothalamic pituitary control of reproduction
A
5
Q
how does GnRH know whether to make FSH or LH
A
6
Q
high pulses of GnRH neurons code for:
A
7
Q
low pulses of GnRH neurons code for:
A
8
Q
wheree are sperm produced
A
9
Q
where do sprem mature
A
10
Q
what is the optimal temperature for sperm? what maintains this temp?
A
11
Q
how many sperm are produced per day
A
12
Q
what are sertoli cells?
A
13
Q
what are leydig cells?
A
14
Q
what is closer to the centre of the testis: sertoli or leydig
A
15
Q
what do leydig cells secrete
A
16
Q
what are tight junctions and the blood testis barrier necessary
A
17
Q
what do sertoli cells have to do with the tight junction
A
