Reproduction is one of the most important and fundamental properties of living organisms by which every kind of living organism multiplies to form new individuals of its own kind. In this process, one ...

How do behavior, morphology and physiology act in concert to improve a male's reproductive success - and why is there so much variation among outcomes within and between species? Aa Aa Aa Reproductive ...

The humans use sexual mode of reproduction. The reproductive systems in human beings become functional or start functioning at a definite age called puberty. In complex multicellular organisms like ...

Developing birth control that targets the testes has posed unique challenges in the past. But several innovative methods in the works aim to bring new male-focused contraceptives to the marketplace.

The penis is composed of paired erectile bodies (corpora cavernosa). The interior of the corpus caverosum contains vascular spaces that consist of connective tissue and corporal smooth muscle. The ...

Michelle Spear does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...