A microorganism which apparently has a specific relationship to Rocky Mountain spotted fever.
The disease is caused by a microorganism and several bacteria have been suspected of being responsible.
Staphylococcus pyogenes aureus—a microorganism producing yellow pus.
Staphylococcus pyogenes citreus—a microorganism producing lemon-colored pus.
Staphylococcus pyogenes albus—a microorganism producing white pus.
This disease is caused by a microorganism known as the spirochaeta pallida or treponema pallidum of Schaudinn and Hoffmann.
microorganism mi·cro·or·gan·ism (mī'krō-ôr'gə-nĭz'əm)
An organism of microscopic or submicroscopic size, especially a bacterium or protozoan.
An organism that can be seen only with the aid of a microscope and that typically consists of only a single cell. Microorganisms include bacteria, protozoans, and certain algae and fungi. See Note at germ.