Phenotype: cranial nerve II hypoplastic, 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: 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: hypoplastic
Synonyms: hypoplasia, underdeveloped
Definition: A physical quality inhering in an organ or tissue by virtue of the bearer's exhibiting a decreased number of cells, typically associated with a decrease in size.
Ontology: Phenotypic Quality Ontology [PATO:0000645]