Biological sex is usually described in simple binary terms: male or female. This works well for germ cells (sperm versus eggs), but for other body organs it is of little help. A new study by the Max ...

Although the external female genitalia are commonly referred to as the “vagina,” the vagina is just one of several organs that comprise the external female genital organs. Collectively, these external ...

The female reproductive organs include several key structures, such as the ovaries, uterus, vagina, and vulva. These organs function in fertility, conception, pregnancy, and childbirth. The ...

Sex-specific organ shape is usually thought to depend on sex chromosomes or hormones. Now it emerges that crosstalk between organs sculpts sex-specific 3D gut shape in flies, identifying a new way to ...