testes

[tes-teez]

plural noun

Anatomy, Zoology.

1. plural of testis; the male gonads or reproductive glands located in the scrotum.

testes

/ ˈtɛstiːz /

noun

1. the plural of testis

testes

1. sing. testis (tes-tis) The two organs in the male reproductive system that produce sperm and testosterone. The testes are housed in the scrotum.

Example Sentences

If a human embryo has XY chromosomes the SRY gene leads to the formation of testes, which then produce hormones including testosterone that lead to male development - and can increase muscle mass and strength.

From BBC

The masculinity crisis seizing our land saw surprising numbers of Gen Z men break conservative to vote Trump back to office and, before that, a push for testes tanning.

From Salon

In the brain, sexual differentiation starts before birth and results from a combination of sex chromosomes in brain tissue, sex hormones produced by the testes or ovaries and the environment.

From Salon

Over the past couple of decades researchers have found that long-distance signaling goes beyond a few glands and organs—the pancreas, thyroid, testes, and ovaries—that spill out familiar hormones such as insulin and testosterone.

From Science Magazine

Researchers found high levels of microplastics in human and dog testes.

From Los Angeles Times

Related Words

• family jewels 
• testicles www.thesaurus.com