has part has part characteristic of part of inheres in part of has modifier Abnormal macular morphology Macular pseudocoloboma UMLS:C1852767 Coloboma of the macula A so-called macular coloboma is characterized by a sharply defined, usually excavated, area without neuroretina and RPE tissues in the central area of the fundus. This lesion is not related to classical colobomas associated with optic fissure closure defects. HP:0001116 Macular coloboma abnormal closure incomplete macula lutea