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Definition of 5-HT1A

5-HT1A: A type of receptor for serotonin. The gene that encodes this receptor has been named HTR1A and is located on chromosome 5 in region 5q11.2-q13.

Serotonin (also known as 5-hydroxytryptamine) is an important neurotransmitter within the central nervous system. After it is released by a neuron, serotonin activates receptors located on nearby neurons. These receptors include 5-HT1A.

5-HT1A stands for 5-beta hydroxytryptamine receptor 1.

Source: MedTerms™ Medical Dictionary
http://www.medicinenet.com/script/main/art.asp?articlekey=26590
Last Editorial Review: 6/14/2012

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