Meibomian gland atrophy MP:0000651 MP:0001345 MPheno.ontology acquired diminution of the size of the sebaceous glands embedded in the tarsal plate of each eyelid, associated with wasting as from death and reabsorbtion of cells, diminished cellular proliferation, decreased cellular volume, pressure, ischemia, malnutrition, reduced function or malfunction, or hormonal changes atrophic glandulae tarsales atrophic meibomian glands atrophic palpebral glands atrophic tarsal glands abnormal Meibomian gland morphology