Science / Psychiatry / Antagonist: Medication, hormone, or neurotransmitter that binds to a receptor and prevents a response.
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Antagonist Noun Synonyms: adversary, opponent, enemy, foe, contender, competitor, competition, opposition

Serotonin-Dopamine Antagonists (Sdas)

Science / Psychiatry / Serotonin-Dopamine Antagonists (Sdas): (ser-o-to-nin do-pah-meen an-tag-o-nists) Also known as atypical antipsychotics. Unlike their predecessors, this newer class of medications treats both the positive and negative symptoms of schizophre MORE

Antagonistic Muscles

Science / Biology / Antagonistic Muscles: A pair of muscles that work to produce opposite effects&emdash;one contracts as the other relaxes: for example, the bicep and tricep muscles on opposite sides of your upper arm. MORE

Antagonistic Effect

Health / Disease / Antagonistic Effect: A biologic response to exposure to multiple substances that is less than would be expected if the known effects of the individual substances were added together [compare with additive effect and syner MORE