abnormal pancreatic acinar cell morphology pancreatic acinar cell atrophy MP:0009150 pancreatic exocrine cell atrophy MPheno.ontology acquired diminution of the pancreatic acinar cells 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 pancreas atrophy