microorganism

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microorganism

 [mi″kro-or´gah-nizm]
a microscopic organism; those of medical interest include bacteria, fungi, and protozoa. Viruses are often classified as microorganisms, although they are sometimes excluded because they are not cellular and they are unable to replicate without a host cell.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

mi·cro·or·gan·ism

(mī'krō-ōr'gan-izm),
A microscopic organism (plant or animal).
Farlex Partner Medical Dictionary © Farlex 2012

microorganism

An organism detected by microscopy—e.g., viruses, bacteria, fungi and intracellular parasites (protozoans).
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

microorganism

 A organism detected by microscopy–eg, viruses, bacteria, fungi and intracellular parasites–protozoans; bug
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

mi·cro·or·gan·ism

(mī'krō-ōr'găn-izm)
A microscopic organism (plant or animal).
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

microorganism

or

microbe

any microscopic organism such as a BACTERIUM, FUNGUS, PROTOZOAN, microscopicALGA or member of the ARCHAEA.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

Microorganism

An organism (life form) that is too small to be seen with the naked eye.
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.

mi·cro·or·gan·ism

(mī'krō-ōr'găn-izm)
A microscopic organism (plant or animal).
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
Unique personalities can be discovered in every corner of the animal kingdom--even among microscopic organisms. The array of personality types among all species is only beginning to be described and understood.
It could be that "plastics make ideal vessels for colonizing microscopic organisms that could trigger disease if they come into contact with corals," she said.
Viruses are microscopic organisms that need to penetrate inside a cell of their host to multiply and replicate.
If you look more closely, coral even houses microscopic organisms such as Zooxanthellae, an alga that lives within coral polyps that is responsible for coral's fluorescing characteristics.
Objective: Mites are microscopic organisms that lower the quality of life of people who are sensitive to them by causing conditions such as atopic dermatitis, allergic rhinitis, and asthma.
Microscopic organisms live in the undisturbed duff, supported by dead and decaying naturally fallen trees; spotted owls, marbled murrelets and other birds soar in its trees.
While microbes - bacteria, viruses and other microscopic organisms - can cause infections, some of them potentially deadly, Prof Finlay and Dr Arrieta point out that of the thousands of microbe species, only about 100 are known to cause human disease.
As the lake's waters have shrunk over the hot summer months, the lake has become saltier, providing a feast for microscopic organisms that thrive on salt and light--and turn the lake's water the disturbing red color.
"But they're seeing something no one else has seen before and that's pretty awesome." Scientists had suspected that, like animals living today, dinosaurs hosted parasites and other microscopic organisms.
DNA can be found nearly everywhere, not only in test sabut also on surfaces in the laboratory, microscopic organisms living in water, pollen grains and fungal spores in dust, and even on pens, desks and notebooks.
Each stroke disturbed harmless microscopic organisms which turned the black water into bright swimming-pool blue - a thrilling experience that would leave even James Bond all aglow.
Despite concentrating in these special zones, at least one of these unusual microscopic organisms also happens to be a world traveler, originating in New Zealand and ending up across the Pacific off the coasts of Chile and Peru in the world's largest OMZ.

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