A research team has discovered that docosahexaenoic acid (DHA), a major omega-3 fatty acid found in fish oil, directly relaxes smooth muscle in the male reproductive tract by blocking specific calcium ...

A research group has discovered that certain naturally occurring peptides in the body can trigger contractions in the vas deferens—a muscular tube that carries sperm in the male reproductive system.

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 ...

MONTGOMERY, Ala. (AP) — Alabama lawmakers are advancing legislation that would strictly define who is considered female and male based on their reproductive systems. Opponents said the move could ...

Research team from the Department of Chemical Pharmacology, Faculty of Pharmaceutical Sciences, Toho University — including Associate Professor Keisuke Obara, Lecturer Kento Yoshioka, and Professor ...