has part has part characteristic of inheres in has modifier Absent lacrimal punctum The lacrimal puncta (openings of the tear ducts) are normally located at the medial margin of each eyelid. The opening on the lower eyelid border is more visible than the opening on the upper eyelid border. Agenesis of the lacrimal punctum HP:0001092 Lacrimal puncta aplasia UMLS:C0344509 Absent lacrimal puncta UMLS:C1867060 No identifiable superior and/or inferior lacrimal punctum. HP:0007977 SNOMEDCT_US:253217007 Lacrimal punctum, absence Absent lacrimal openings Absent lacrimal gland puncta Aplasia of lacrimal puncta SNOMEDCT_US:204208005 Abnormal lacrimal punctum morphology abnormal aplastic lacrimal punctum