Get the FREE one-click dictionary software for Windows
or the iPhone/iPad and Android apps
Noun: 5-hydroxytryptamine
  1. A neurotransmitter involved in e.g. sleep and depression and memory
    "Many antidepressants work by increasing 5-hydroxytryptamine levels in the brain";
    - serotonin

Type of: monoamine neurotransmitter

Encyclopedia: 5-hydroxytryptamine