testis
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
In the cell, it binds to other DNA, leading to testis formation, according to the National Library of Medicine.
From Los Angeles Times ● Mar. 26, 2026
Most importantly, mice and men with these mutations have no other defects and even have normal testis size.
From Science Daily ● May 23, 2024
"In humans, differently from other animal species and lower mammalians, testis are located outside of the abdomen. This contributes to the maintenance of an organ temperature 2º to 4° C below core body temperature."
From Salon ● Mar. 28, 2024
By employing advanced sequencing techniques, the researchers identified significant differences in DNA methylation across thousands of regions in both the brain and testis of the affected frogs.
From Science Daily ● Mar. 11, 2024
The molt and testis cycle of the Anna hummingbird.
From The Breeding Birds of Kansas by Johnston, Richard F.
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 ● Aug. 31, 2025
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 ● Apr. 22, 2025
Researchers found high levels of microplastics in human and dog testes.
From Los Angeles Times ● May 23, 2024
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 ● May 22, 2024
“Ten males had amounts ranging from 30 to 109 parts per million in the testes, and two females had 151 and 211 parts per million respectively in the egg follicles in their ovaries.”
From "Silent Spring" by Rachel Carson
![]()