| listeria monocytogenes | (n) the type species of the genus Listeria; can cause meningitis, encephalitis, septicemia, endocarditis, abortion, abscesses, listeriosis, Syn. L. monocytogenes |
| monocyte | (n) a type of granular leukocyte that functions in the ingestion of bacteria |
| monocytic leukemia | (n) leukemia characterized by the proliferation of monocytes and monoblasts in the blood, Syn. monoblastic leukaemia, histiocytic leukaemia, monocytic leukaemia, monoblastic leukemia, histiocytic leukemia |
| monocytosis | (n) increase in the number of monocytes in the blood; symptom of monocytic leukemia |