New research has mapped the cell types that specialize to form reproductive organs in both sexes, identifying key genes and ...

The following outlines aspects of the female reproductive system, including the internal and external organs, the menstrual cycle, the egg, and reproductive hormones. The menstrual cycle is a monthly ...

What Is the Female Reproductive System? The female reproductive system is designed to carry out several functions. It produces the female egg cells, called the ova or oocytes, which are necessary for ...

This is a preview. Log in through your library . Abstract 1. The Tasmanian native hen (Gallinula mortierii) exhibits mate-sharing by both males and females, with monogamy, polyandry, polygyny and ...

A family in Tennessee was amazed to find another egg still intact within a large chicken egg. In the video, a woman is seen cracking the large chicken egg, only to discover the smaller egg inside.