testes
n. plural-only C1 Advanced US //ˈtɛsˌtiz// UK //tˈɛstiːz// testes
n. the two organs in the male body that produce sperm and the hormone testosterone. They are located outside the body in a skin sac called the scrotum.
n. the male reproductive glands that produce sperm and the hormone testosterone. Plural in form; typically used in medical or biological contexts.
The doctor examined the testes for any signs of swelling.
In many mammals, the testes remain inside the body until the animal reaches sexual maturity.
The descent of the testes into the scrotum is a critical developmental milestone, as the lower temperature is necessary for the proper production of viable sperm cells.