testis
Example Sentences
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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
Four additional genes are active only in the testis and are essential for sperm production.
From Science Daily ● Mar. 20, 2026
Previous research has shown that STK33 is enriched in the testis and is specifically required for the formation of functional sperm.
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
There are three pairs of spermathecae situated in segments III-V, a testis in V and an ovary in VI.
From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" by Various
Some can be born with external female genitalia but functioning testes, and are often certified as female at birth and raised as such.
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
Pheasants also accumulated extraordinary amounts in the testes, up to 1500 parts per million.
From "Silent Spring" by Rachel Carson
