testis

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

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

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

Seasonal changes in the testis of the musk turtle, Sternotherus odoratus L. Journ.

From Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz by John M. Legler

On average, the optimal temperature of the testes - where sperm is stored - should be two to four degrees lower than the average body temperature of 37 degrees.

From BBC ● Feb. 25, 2026

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

When young roosters were fed DDT, the testes made only 18 per cent of their normal growth; combs and wattles, dependent for their development upon the testicular hormone, were only a third the normal size.

From "Silent Spring" by Rachel Carson