Serotonin - Dictionary Definition and Overview

Serotonin :  (noun)

1: a neurotransmitter involved in e.g. sleep and depression and memory [syn: 5-hydroxytryptamine]

Based on WordNet 2.0

Serotonin :  Serotonin: A nerve signals between nerve cells and that causes blood vessels to narrow.

Changes in the serotonin levels in the brain can alter the mood. For example, medications that affect the action of serotonin are used to treat depression .



Based on WordNet (r) 2.0 (August 2003)

Example Usage of Serotonin

GegenInfo: Depression - die Krankheit mit dem Mangel an Sinn http://bit.ly/827NpR Selten so viel geballten geistigen Dünnschiss gelesen #Serotonin
bthepati: #youknowyourfat when u can't stop eatin chocolate eventho u feel like throwin up or might that b just Serotonin which u can't hve enough of?
ZoEhM22: #googledit and found that it has melatonin and Serotonin...cool :P
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