| Phenotype: | optic nerve head decreased size, abnormal |
|---|---|
| Note: | This statement combines anatomy and/or ontology terms with phenotype quality terms to create a complete phenotype (EQ) statement. For detailed information on individual terms, click the hyperlinked term name. |
| Name: | optic nerve head |
|---|---|
| Synonyms: | optic nerve heads |
| Definition: | Portion of cranial nerve II where large fascicles of axons from the optic fiber layer come together prior to leaving the eye. |
| Ontology: | Anatomy Ontology [ZFA:0001625] |
| Name: | decreased size |
|---|---|
| Synonyms: | hypoplasia, small, tiny, underdeveloped |
| Definition: | A size quality which is relatively low. |
| Ontology: | Phenotypic Quality Ontology [PATO:0000587] |