Serotonin antagonist

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Serotonin Antagonist

A Serotonin Antagonist (pronunciation: /sɛrəˈtoʊnɪn ænˈtæɡənɪst/) is a type of drug that inhibits the action of serotonin in the brain.

Etymology

The term "Serotonin Antagonist" is derived from the neurotransmitter "serotonin" and the term "antagonist", which in pharmacology refers to a substance that inhibits the physiological action of another.

Function

Serotonin antagonists work by blocking the receptor sites in the brain that serotonin would normally bind to. This prevents serotonin from having its usual effects, which can be beneficial in treating certain medical conditions.

Uses

Serotonin antagonists are often used in the treatment of conditions such as migraines, nausea and vomiting (especially in chemotherapy), irritable bowel syndrome (IBS), and certain types of anxiety disorders.

Related Terms

  • Serotonin: A neurotransmitter that transmits signals in the brain.
  • Antagonist: A substance that interferes with or inhibits the physiological action of another.
  • Receptor: A region of tissue, or a molecule in a cell membrane, which responds specifically to a particular neurotransmitter, hormone, antigen, or other substance.
  • Neurotransmitter: A chemical substance that is released at the end of a nerve fiber by the arrival of a nerve impulse and, by diffusing across the synapse or junction, causes the transfer of the impulse to another nerve fiber, a muscle fiber, or some other structure.

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