HealthJuly 15, 2026

agonist

/ˈæɡ.ə.nɪst/

Definition

A substance that binds to a specific receptor in the body and initiates or enhances a biological response.

Etymology

Derived from the Greek word 'agōnistes', meaning a contestant or combatant. In scientific contexts, it describes a molecule that 'competes' to bind with and trigger a biological receptor.

In the news

In this article, GLP-1R agonists are medications that activate receptors to help regulate blood glucose and body weight, and researchers are studying if they also provide mental health benefits.

GLP-1 receptor activation linked to lower depression and bipolar disorder odds

Read the full article ↗

News-Medical

Related words

afferent

Nerve fibers or pathways that carry impulses inward toward a central organ, such as the…

Health

cannabidiol

A non-psychoactive chemical compound found in the cannabis plant that is currently being…

Health

creatine

A nitrogenous organic acid that is often used as a dietary supplement to support muscle…

Health

fibrinogen

A soluble protein present in blood plasma that is a key indicator of inflammation and…

Health

fibromyalgia

A chronic condition characterized by widespread musculoskeletal pain, fatigue, and…

Health

glucagon

A hormone produced by the pancreas that raises blood glucose levels, whose name is…

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.