| Name: | cranial nerve II |
|---|---|
| Synonyms: | CN-II, optic, optic nerve |
| Definition: | Cranial nerve which is comprised of retinal ganglion cell axons running posterior medially towards the optic chiasm, at which the axons cross the midline and after which the structure is termed the optic tract. |
| Ontology: | Anatomy Ontology [ZFA:0000435] |
| Name: | presynapse |
|---|---|
| Synonyms: | presynaptic terminal |
| Definition: | The part of a synapse that is part of the presynaptic cell. |
| Ontology: | GO: Cellular Component [GO:0098793] QuickGO AmiGO |