Outbound Relationships	Type	Target	Active	Characteristic	Refinability	Group	Values
Serotonin	Is a	Peptide hormones and their metabolites and precursors	false	Inferred relationship	Existential restriction modifier
Serotonin	Is a	Neurotransmitter	true	Inferred relationship	Existential restriction modifier
Serotonin	Is a	Mediator of immune response	true	Inferred relationship	Existential restriction modifier
Serotonin	Is a	Indolamine	true	Inferred relationship	Existential restriction modifier
Serotonin	Has disposition	Immunomodulator	true	Inferred relationship	Existential restriction modifier
Serotonin	Is a	Peptide hormone	true	Inferred relationship	Existential restriction modifier
Serotonin	Is a	Amine hormone	true	Inferred relationship	Existential restriction modifier
Serotonin	Has disposition	Hormone	true	Inferred relationship	Existential restriction modifier

Inbound Relationships	Type	Active	Source	Characteristic	Refinability	Group
5-Hydroxytryptamine uptake measurement	Has measured component	False	Serotonin	Inferred relationship	Existential restriction modifier
5-Hydroxytryptamine release measurement	Has measured component	False	Serotonin	Inferred relationship	Existential restriction modifier
Serotonin antigen	Direct substance	False	Serotonin	Inferred relationship	Existential restriction modifier
Serotonin measurement	Has measured component	False	Serotonin	Inferred relationship	Existential restriction modifier
5-Hydroxytryptamine uptake measurement	Component	True	Serotonin	Inferred relationship	Existential restriction modifier	1
5-Hydroxytryptamine release measurement	Component	True	Serotonin	Inferred relationship	Existential restriction modifier	1
Serotonin measurement	Component	True	Serotonin	Inferred relationship	Existential restriction modifier	1
Blood serotonin measurement	Component	True	Serotonin	Inferred relationship	Existential restriction modifier	2
Substance concentration of serotonin in whole blood (observable entity)	Component	True	Serotonin	Inferred relationship	Existential restriction modifier	1

This concept is not in any reference sets

Id	Description	Lang	Type	Status	Case?	Module
56145017	Serotonin	en	Synonym	Active	Entire term case insensitive	SNOMED CT core module
56146016	5-Hydroxy tryptamine	en	Synonym	Inactive	Entire term case sensitive	SNOMED CT core module
765062012	Serotonin (substance)	en	Fully specified name	Active	Entire term case insensitive	SNOMED CT core module
1228090013	5-Hydroxytryptamine	en	Synonym	Inactive	Entire term case sensitive	SNOMED CT core module
1228091012	5-HT - 5-Hydroxytryptamine	en	Synonym	Inactive	Entire term case sensitive	SNOMED CT core module
3722021017	5-hydroxy tryptamine	en	Synonym	Active	Entire term case insensitive	SNOMED CT core module
3722022012	5-hydroxytryptamine	en	Synonym	Active	Entire term case insensitive	SNOMED CT core module
3724070017	5-HT - 5-hydroxytryptamine	en	Synonym	Active	Only initial character case insensitive	SNOMED CT core module