Microbiology - (Greek μικρός, mikrós, „tiny“, βίος, bíos, „life“ and λόγος, lógos, „science“) is a science in the composition of biology, which is occupied by the study of microorganisms (bacterium, (archaebacteria), microscopic fungi, protozoa,alga,and viruses). Into the field of the interests of microbiology enter their systematics, morphology, physiology, biochemistry, evolution, role in the ecosystems and also the possibility of practical use. Bacteriology and medical microbiology are a division of microbiology.

Leeuwenhoek on a Netherlands postage stamp

C.Ehrenberg