Term: optic nerve head glioma
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: glioma
Synonyms:
Definition: Neoplasm derived from astrocytes and oligodendrocytes. (M-9380/3, M-9440/3).
Ontology: MPATH [MPATH:249]