The testes, also known as testicles, are the primary male reproductive organs. They are responsible for producing sperm and ...

The structure and function of the reproductive tracts of the spider crab Inachus phalangium were investigated, focusing on sperm transfer, sperm storage in the seminal receptacles, and spawning. Males ...

In 1977, the Nobel Prize in Physiology or Medicine was awarded to Roger Guillemin and Andrew Schally for their discovery and synthesis of gonadotropin-releasing hormone (GnRH), a key regulator of ...

The extent to which band structure influences the distribution of breeding activity is unknown for the slender-tailed meerkat Suricata suricatta, a cooperatively breeding mongoose. Here we present the ...

This video segment adapted from NOVA explains how flowers play a central role in the reproductive cycle of plants. Their striking array of colors, patterns, fragrances, and nectar all require lots of ...