Define arrow. arrow synonyms, arrow pronunciation, arrow translation, English dictionary definition of arrow. n. 1. A missile having a straight thin shaft with a pointed head at one end and often flight-stabilizing vanes at the other, meant to be shot from a bow.
FSH stimulates the growth and recruitment of immature ovarian follicles in the ovary. In early (small) antral follicles, FSH is the major survival factor that rescues the small antral follicles (2â5 mm in diameter for humans) from apoptosis (programmed death of the somatic cells of the follicle and oocyte).
The hormone that initiates the development of specialized cells in the ovaries of women and triggers androgen production by the testes of men is _____. A large number of hormones function in the human menstrual cycle, but only two of them are called female sex hormones. These are _____.