For Antagonist we have terms and definitions in 11 topics. The topics are Anti-Aging, Cancer, Diabetes, Drama, Drug Rehabilitation, Fitness, HIV and AIDs, Huntingtons Disease, Muscle Movement, Prostate Cancer and Psychoactives.

Antagonist (Anti-Aging)

is an agent that prevents or reduces the secretion from a gland.

Antagonist (Cancer)

In medicine, a substance that stops the action or effect of another substance. For example, a drug that blocks the stimulating effect of estrogen on a tumor cell is called an estrogen receptor antagonist.

Antagonist (Diabetes)

One agent that opposes or fights the action of another. For example, insulin lowers the level of glucose (sugar) in the blood, whereas glucagon raises it; therefore, insulin and glucagon are antagonists.

Antagonist (Drama)

A character or force against which another character struggles. Creon is Antigone's antagonist in Sophocles' play Antigone; Teiresias is the antagonist of Oedipus in Sophocles' Oedipus the King.

Antagonist (Drug Rehabilitation)

A drug that counteracts or blocks the effects of another drug.

Antagonist (Fitness)

The muscle that counteracts the agonist. For example, the triceps are the antagonist to the biceps. When you do barbell curls the biceps contract, and the triceps lengthen.

Antagonist (HIV and AIDs)

A characteristic of drugs when their combined effect is less than the sum of their individual effects. Compare AGONIST.

Antagonist (Huntingtons Disease)

a substance that blocks a receptor from binding to a neurotransmitter or hormone.

Antagonist (Muscle Movement)

A muscle that can move the joint opposite to the movement produced by the agonist.

Antagonist (Prostate Cancer)

A drug that has an opposite reaction or competes for the same thing

Antagonist (Psychoactives)

1. A substance which counteracts the effects of another substance
2. Blocker
An antagonist at a given neuroreceptor blocks or lowers the activity of that receptor.

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