Male Physiology Flashcards
1
Q
how many spermatozoa produced per day?
A
about 30 million
2
Q
how long for sperm production?
A
60-75 days
3
Q
how long for transport to epididymis?
A
10-14 days
4
Q
how many sperm per ML of ejaculate?
A
20-100 million
5
Q
what does the spermatic cord contain?
A
vas deferens
testicular artery
pampiniform plexus
6
Q
what do germ cells do?
A
produce sperm
7
Q
what do sertoli cells do?
A
support sperm production
produce inhibin
8
Q
what do interstitial (leydig) cells do?
A
produce testosterone
9
Q
factors affecting oogenesis/spermatogenesis?
A
problems with hormonal control
- genetic
- tumours
- medications
- function
problem at the site of production
- cancer treatment
- trauma
- infection
10
Q
what is the widest and most dilatable portion of the urethra?
A
prostatic part
11
Q
what is the narrowest and least dilatable portion of the urethra?
A
membranous urethra
