Male Reproductive Hormones Flashcards
1
Q
Sertoli Cells Function ( 4 )
A
- Provides nourishment of seminiferous tubules by transporting nutrients to lumen region
- Carries out phagocytosis by digesting excess cytoplasms and digests germ cells
- Adds to seminal fluid by synthesising luminal proteins to maintain tubular fluid
- Hormonal Functions
2
Q
Hormones Secreted by Sertoli Cells
A
Androgen Binding Protein
Activin
Inhibin
3
Q
Leydig Cells Synthesises ?
A
- Testosterone
- DHT ( dihydrotestosterone )
- DHEA ( dehydroepiandrosterone )
4
Q
What does androgen do
A
- ↑ Spermatogenesis
- ↑ bone matrix by ↑ calcium deposition
- Promotes Epiphyseal Closure
- ↑ Increases Muscle mass
- ↑ BMR, ↑ RBC density
↑ Skin thickness, ↑ melanin deposition, ↑ sebum secretion
5
Q
Ligand Specific Androgen Activity of Testosterone ?
A
Helps in the descent of testes
6
Q
Ligand Specific Androgen Activity of DHT ?
A
Stimulates development of external genitalia
