Testicular Function Flashcards
2 major functions of reproduction?
- Gametogenesis
2. Hormone secretion
where does spermatogenesis occur?
sertoli cells in seminiferous tubules
Where is testosterone secreted?
Leydig cells in interstitial tissue
Where is estrogen and progesterone secreted?
theca cells
granulosa cells
what is Parturition?
labour and delivery
Meiosis produces 3 things:
primary gamete
secondary gamete
haploid gamete
Spermatogenesis mitotic daughter cell fates?
- one is kept for germ line
2. other moved toward lumen for Spermatogenesis
order of Spermatogenesis names?
spermatogonium spermatogonia primary spermatocyte first meiotic secondary spermatocyte second meiotic spermatids spermatozoa
primary oocytes arrested in?
first meiotic division
what hormones made in testes?
Testosterone
dihydrotestosterone (DHT)
3 places sex steroids are made:
Ovary
Testis
Adrenal glands
Sex steroids: Hypothalamus releases?
GnRH
sex steroids: ant pituitary releases?
LH
FSH
gonads make what kind of peptide hormones?
Inhibin
activin
what do you need to turn testosterone to estradiol?
aromatase