Meibomian gland atrophy atrophic tarsal glands MP:0000651 MPheno.ontology MP:0001345 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 meibomian glands atrophic palpebral glands atrophic glandulae tarsales abnormal Meibomian gland morphology