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

Most importantly, mice and men with these mutations have no other defects and even have normal testis size.

From Science Daily ● May 23, 2024

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

The orifices and prominences of the body, the retained testis in the inguinal canal, are notoriously liable seats of tumors.

From A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases by Various

Instead, a subtle form of natural selection within the testes appears to give certain mutations a reproductive advantage, allowing them to become more common during sperm formation.

From Science Daily ● Oct. 19, 2025

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

Young rats exposed to methoxychlor had extraordinarily small testes.

From "Silent Spring" by Rachel Carson