Aging leads to large changes in gene activity in the ovaries of mice, but only limited changes in testes, according to research published in the open-access journal, BMC Biology. A lifespan-extending ...

Early in fetal development, a mass of cells known as the bipotential gonad has the possibility of giving rise either to ovaries or testes, reproductive organs that contribute to many of the ...

A new study in Nature shows that when pregnant mice don’t have enough iron, their (usually male) fetuses with a Y sex chromosome sometimes develop ovaries instead of testes. In other words, ...

The endocrine system comprises glands and tissues that produce and secrete hormones to regulate and coordinate vital functions of the human body. This article â the seventh in an eight-part series on ...

Researchers at the Francis Crick Institute and the Université Cote d'Azur, together with other labs in France and Switzerland, have identified a gene which is an early determining factor of ovary ...

New research in flies shows how cells in adult reproductive organs maintain their sexual identity. The study, publishing online on November 13 in the Cell Press journal Developmental Cell, also ...

A team led by University of Osaka researchers has developed a technique to generate testes from mouse embryonic stem cells ...

To say that eggs grow only in females and sperm grow only in males seems a pretty uncontroversial statement. But Japanese researchers have shown that it's not as simple as that, by nurturing female ...