Testosterone
(noun)
A male sex hormone that is produced in the testicles, responsible for the development of male sexual characteristics, such as a deeper voice and increased muscle mass.
Origin:
Derived from the latin word 'testis', meaning 'testicle'.
Examples:
- The athlete was accused of taking testosterone to enhance his performance.
- Testosterone levels decline as men age, which can cause a decrease in sex drive and muscle mass.
- The doctor prescribed testosterone therapy to help the man with his low testosterone levels.
- The bodybuilder's muscles were a result of high levels of testosterone and hard work at the gym.
- Testosterone plays a crucial role in sperm production and the maintenance of bone density.