Microbiology (small + life + ratio) is a branch of biology science, that deals with the study of microorganisms, which may be either monocytes or microscopic multicellular organisms. Cells may be eukaryotic (nucleus) such as monocytes fungi and primarily, or prokaryotic (without formed core) such as bacteria and archaeobacteria. The subject of microbiology is also viruses.
Medical Microbiology is an application of microbiology in medicine and deals with the prevention, diagnosis, and treatment of human diseases due to pathogenic microorganisms.