HealthSeptember 3, 2026

testis

TES-tis

Definition

The male reproductive gland that produces sperm and hormones.

Etymology

Derived from the Latin word 'testis', meaning 'witness' or 'testicle'. It is thought to have originally been used in a legal sense, suggesting that the organs serve as evidence or 'witnesses' of virility.

In the news

The article uses the term to identify specific male reproductive organs that exhibit a biphasic aging pattern similar to other bodily systems.

The Human Body May Age in Two Major Bursts, And a New Study Reveals What Drives Them

Read the full article ↗

ScienceAlert

Related words

antitoxin

A medical preparation containing antibodies that neutralize the toxins produced by…

Health

atrophying

To gradually decline, weaken, or waste away due to lack of use or practice.

Health

bicuspid

Having two cusps or points, specifically referring to the heart's mitral valve, which is…

Health

dysphoric

A state of profound unease, dissatisfaction, or emotional distress.

Health

epithelium

The thin tissue forming the outer layer of a body's surface and lining the inner cavities…

Health

orthostatic

Relating to or caused by an upright standing posture.

Health

Learn words like this every day

Meet new words every morning.

Newspoken pulls carefully chosen words from the day’s news — with clear definitions, context, and light review that makes them stick. Get it on your phone.