Recent Examples of testis from the Web
She was born with androgen insensitivity syndrome, a condition that caused her to have external female anatomy and, internally, undescended testes instead of a uterus.
At the age of 10, however, Hanne underwent surgery to remove her testes.
Inherit an X from mom and a Y from dad, and develop testes and a penis.
Male dragonflies have two sets of genitals and move sperm from the testes into the penis.
But feminization is a continuum: Males with only a few eggs in their testes may have no trouble at all reproducing.
Our analyses are showing high concentrations of DDT in the testes and ovaries of breeding birds.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'testis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of testis
Latin, witness, testis
First Known Use: 1650See Words from the same year
TESTIS Defined for Kids
Definition of testis for Students
: a male reproductive gland that produces sperm
Medical Definition of testis
: a typically paired male reproductive gland that usually consists largely of seminiferous tubules from the epithelium of which spermatozoa develop, that contains androgen-secreting Leydig cells in the interstitial tissue, that corresponds to the ovary of the female and in craniate vertebrates develops from the genital ridges of the embryo, and that in most mammals descends into the scrotum before the attainment of sexual maturity and in many cases before birth
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