The oestrous cycle in cattle lasts for 18–24 days. It consists of a luteal phase (14–18 days)
and a follicular phase (4–6 days). During the cycle there are generally two (dairy cows) or …

In this review, the main features of folliculogenesis are summarized and compared among
species. In the past few years, ultrasonography has clarified follicle growth patterns, and our …

The extent, causes, and physiological significance of the variation in number of follicles
growing during ovarian follicular waves in human beings and cattle are unknown. Therefore …

The aim of this review is to provide an integrative analysis of the role of FSH in the control of
testicular function in higher primates, including man. Attention is focused on the action of …

In this study, two experiments were performed, the first of which examined the ovarian
response in ewes that were subject to unilateral ovariectomy (ULO) at different intervals (0 …

Polycystic ovary syndrome (PCOS) affects 5% of reproductive aged women and is the
leading cause of anovulatory infertility. A hallmark of PCOS is excessive theca cell androgen …

Follistatin was first described in 1987 as a follicle-stimulating hormone inhibiting substance
present in ovarian follicular fluid. We now know that this effect of follistatin is only one of its …

Maintenance of female reproductive competence depends on the actions of several
hormones and signaling factors. Recent reports suggest roles for bone morphogenetic …

Inhibin and activin are members of the TGFβ superfamily of growth and differentiation
factors. They were first identified as gonadal-derived regulators of pituitary FSH and were …

The present study was undertaken to investigate heat stress protein (HSP)-70 mRNA
induction and p38 MAP kinase (MAPK) activity in response to ischaemic stress in the …