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      • abnormal cranial nerve morphology
      • abnormal posterior eye segment morphology

    • abnormal optic nerve morphology   MP:0001330   (2)
    Definition: any structural anomaly of the second cranial nerve which is responsible for conveying visual information from the retina to the brain; it extends from the retina to the optic chiasma where part of its fibers become the optic tract and cross to the opposite side and pass to the geniculate bodies [MGI:csmith];   [MGI annotations / genotypes]



    VT:0001330 (optic nerve morphology trait) is numbered similarly to MP:0001330 but is over in the VT ontology (semantics may or may not be similar).

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