Sperm and semen, often used interchangeably in casual conversation, are fundamentally different in their nature and function. Semen is a complex fluid that contains a mixture of various components, ...

The testis is responsible for sperm production and testosterone synthesis. Abnormalities in testis development and function lead to disorders of sex development (DSD) and male infertility. Currently, ...

Imagine a future where a diagnosis of untreatable male infertility is no longer the end of the road – because science has found a way to produce human sperm from lab-engineered testicular tissue. This ...