| 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: | acetylcholinesterase activity | 
|---|---|
| Synonyms: | AcCholE, acetyl.beta-methylcholinesterase activity, acetylcholine acetylhydrolase activity, acetylcholine hydrolase activity, acetylthiocholinesterase activity, choline esterase I activity, true cholinesterase activity | 
| Definition: | Catalysis of the reaction: acetylcholine + H2O = choline + acetate. | 
| Ontology: | GO: Molecular Function [GO:0003990] QuickGO AmiGO |