What Is TCA?


Quick Answer

TCA refers to either tricyclic antidepressants or the tricarboxylic acid cycle. Doctors use tricyclic antidepressants to treat the symptoms of depression. The tricarboxylic acid cycle consists of chemical reactions that produce energy following glycolysis.

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Full Answer

As a medication, TCA sometimes eases the symptoms of depression by affecting concentrations of neurotransmitters in the brain. Tricyclic antidepressants limit the body's absorption of neurotransmitters, making more of the chemical messengers available for use in the brain.

Sometimes known as the Krebs cycle, cells in the body utilize the TCA cycle throughout aerobic respiration. Scientists also refer to it as the citric acid cycle.

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