| 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: | action potential initiation |
|---|---|
| Synonyms: | action potential firing, action potential triggering |
| Definition: | The initiating cycle of an action potential. In vertebrate neurons this typically occurs at an axon hillock. Not all initiated axon potentials propagate. |
| Ontology: | GO: Biological Process [GO:0099610] QuickGO AmiGO |