has part has part has_part characteristic of has modifier alveolar macrophage abnormal respiratory system physiology abnormal alveolar macrophage physiology any functional anomaly of the round, granular, mononuclear phagocytes found in the alveoli of the lungs which ingest small inhaled particles resulting in degradation and presentation of the antigen to immunocompetent cells MPheno.ontology MP:0014226 abnormal functionality