| Name: | brain |
|---|---|
| Synonyms: | brain structure |
| Definition: | Cavitated compound organ which is comprised of gray and white matter and surrounds the cerebral ventricular system. |
| Ontology: | Anatomy Ontology [ZFA:0000008] |
| Name: | melatonin |
|---|---|
| Synonyms: | 5-methoxy-N-acetyltryptamine, melatonin, melatonine, N-[2-(5-methoxy-1H-indol-3-yl)ethyl]acetamide, N-[2-(5-methoxyindol-3-yl)ethyl]acetamide, N-Acetyl-5-methoxytryptamine |
| Definition: | A member of the class of acetamides that is acetamide in which one of the hydrogens attached to the nitrogen atom is replaced by a 2-(5-methoxy-1H-indol-3-yl)ethyl group. It is a hormone secreted by the pineal gland in humans. |
| Ontology: | ChEBI [CHEBI:16796] ( EBI ) |