The results show that males focus their mating efforts on the most fertile females by combining information about the timing of swelling and reproductive history. Because male bonobos can effectively ...

Journal of Herpetology, Vol. 18, No. 4 (Dec., 1984), pp. 396-405 (10 pages) The pituitary gland and right testis, ductus epididymidis, ductus deferens, and renal sexual segment were examined ...

produce and transport semen, which contains sperm release sperm into the female reproductive tract during sex make male sex hormones, such as testosterone Have you ever wondered what the different ...

Previous studies have shown both prolonged and plastic cycles in viviparous females of the genus Liolaemus (Iguania: Liolaemidae) from the cold temperate climate of Patagonia. Males have shown ...

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

The male reproductive system refers to the bodily systems responsible for sexual function in males. It consists of external and internal structures responsible for the formation, storage, and ...

For years, infertility has been perceived as a predominantly female problem, a misconception that continues to influence how couples seek treatment. In reality, medical evidence shows that male-factor ...

In a recent review published in Antioxidants, researchers described the implications of exposure to air pollutants on male fertility parameters and sexual health. They further discussed the potential ...