| physical alteration: cranial nerve II |
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| Name: | physical alteration |
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| Synonyms: | |
| Definition: | Experimental condition in which an anatomical structure, cell, or organ has sustained targeted physical change, usually through the use of an instrument. |
| Ontology: | Zebrafish Environment Condition Ontology [ZECO:0000229] |
| Name: | cranial nerve II |
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| 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] |