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 ...

Male bonobos can decipher females’ unreliable fertility signals, allowing them to focus their efforts on matings with the highest chance of conception, according to a study by Heungjin Ryu at Kyoto ...

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 ...

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 ...

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 ...