TLS Online TPP Program

#Id: 6603

#Unit 7. System Physiology – Animal

In the granulosa cells,

All the androgens and much of the progesterone

are converted into estrogens by the enzyme aromatase

TLS Online TPP Program

#Id: 6604

#Unit 7. System Physiology – Animal

Theca cells synthesize and secrete progesterone.

TLS Online TPP Program

#Id: 6605

#Unit 7. System Physiology – Animal

Three estrogens are present in the plasma of the human female: 

1β-estradiol

 Estrone

Estriol

TLS Online TPP Program

#Id: 6606

#Unit 7. System Physiology – Animal

The principal estrogen secreted by the ovaries is β-estradiol

TLS Online TPP Program

#Id: 6607

#Unit 7. System Physiology – Animal

Estrogens inhibit osteoclastic activity in the bones and therefore stimulate bone growth.

TLS Online TPP Program

#Id: 6608

#Unit 7. System Physiology – Animal

During female reproductive cycle, Estrogen stimulate rapid proliferation of the stromal cells and the epithelial cells of endometrium, before ovulation.