5-hydroxytryptamine

{
  "id": "MLC-T-ONC-000072",
  "term": "5-hydroxytryptamine",
  "field": "Oncology and biomedicine",
  "definition": "A substance that is found mostly in the digestive tract, central nervous system (brain and spinal cord), and platelets. 5-hydroxytryptamine acts both as a neurotransmitter (a substance that nerves use to send messages to one another) and a vasoconstrictor (a substance that causes blood vessels to narrow). A low level of 5-hydroxytryptamine in the brain is thought to be a cause of depression. Also called serotonin.",
  "synonyms": [
    "serotonin"
  ],
  "references": [
    "NCI Dictionary of Cancer Terms"
  ],
  "url": "https://mlchart.com/terminology/oncology/5-hydroxytryptamine/"
}