has part has part has_part characteristic of part of has modifier abnormal thalamus morphology abnormal lateral geniculate nucleus morphology MPheno.ontology abnormal LGN morphology MP:0004165 any structural anomaly of the group of neurons that serve as the primary processor of visual information received from the retina via the optic tract and send processed information to the visual cortex of the occipital lobe morphology abnormal lateral geniculate body