Growing evidence that chemicals in the environment can interfere with animals' hormone systems -- including the discovery that male Potomac River fish are growing eggs -- has focused the attention of ...

In 1981, scientists discovered that female fish exposed to high temperatures developed testes instead of ovaries. Since then, over 1,100 studies on different animal species, including 400 on ...

The kick-off signal for puberty begins in the brain. Specifically, in the hypothalamus, where specific neurons release a hormone that activates the hypophysis, at the base of the skull, which then ...

A researcher in Osaka Metropolitan University has published a review article focusing on insulin-peptide 3 (INSL3), a circulating hormone secreted from the gonads that is an indicator for reproductive ...

The porcine reproductive system relies on tightly regulated steroid hormone metabolism to coordinate gonadal development, gametogenesis and accessory gland function. Within the testis and ovaries, ...

New research in Japanese quail shows that the hypothalamic protein NPGM promotes fat deposition and suppresses gonadal hormones through distinct mechanisms in males and females.

The corpus luteum is a transient endocrine structure formed from the remnants of the ovarian follicle following ovulation. Its principal role is the synthesis and secretion of progesterone, a steroid ...

(Beyond Pesticides, July 13, 2023) A study published in Environmental Science and Pollution Research finds exposure to p-Dichlorobenzene (p-DCB), a chlorophenol compound with uses as an insecticide, ...

Cortisol has been cast as a modern health villain, seeking to slowly destroy you. But it’s actually a critical hormone.