Previous studies indicate that some populations of the little fire ant, Wasmannia auropunctata, display an unusual reproduction system polymorphism. Although some populations have a classical ...

A new study provides the first evidence of a direct interaction between kisspeptins, proteins crucial for sexual development, and astrocytes, non-neuronal cells of the nervous system, blazing new ...

Male and female reproductive systems allow human reproduction. Fertilisation occurs when a sperm and egg join to form an embryo. An embryo develops into an unborn baby in the uterus during pregnancy.

BOSTON — So-called “organs on a chip” — small blobs of tissue growing in lab dishes that mimic the function of their human counterparts — have promise for basic science and drug development. And those ...

Most animals carry out sexual reproduction. Sexual reproduction involves the joining of two sex cells or gametes – the sperm (male gamete) and the egg or ovum (female gamete). The male and female ...

The genitourinary system, also called the “urogenital system,” consists of the urinary and reproductive systems. The genitourinary system refers to the urinary and reproductive systems. In people ...