Ovarian folliculogenesis is a dynamic process marked by exponential ex
pansion and differentiation of the granulosa cells, oocyte maturation,
ovulation and corpus luteum formation. Although the central roles of
gonadotropins and gonadal steroids in this explosive agenda are well a
ccepted, the variable fate of follicles afforded comparable stimulatio
n within the same ovary suggests the existence of an additional intrao
varian system comprised of regulating species that 'fine-tune' the blo
od-borne hormones.