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Any of various extremely small bacteria of the genus Mycoplasma that lack cell walls, are usually nonmotile, and are often pathogenic or parasitic in mammals.

[New Latin genus name : myco- + plasma.]

my′co·plas′mal adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Microbiology) any prokaryotic microorganism of the genus Mycoplasma, some species of which cause disease (mycoplasmosis) in animals and humans
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌmaɪ koʊˈplæz mə)

n., pl. -mas.
any of a group of very small microorganisms without cell walls, of the prokaryote class Mollicutes, that are a common cause of pneumonia and urinary tract infections.
[1955–60; < New Latin (1929), a genus; see myco-, plasma]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.mycoplasma - any of a group of small parasitic bacteria that lack cell walls and can survive without oxygen; can cause pneumonia and urinary tract infection
eubacteria, eubacterium, true bacteria - a large group of bacteria having rigid cell walls; motile types have flagella
genus Mycoplasma - type and sole genus of the family Mycoplasmataceae
pleuropneumonialike organism, PPLO - a mycoplasma resistant to antibiotics that causes a kind of pneumonia in humans
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
This is in agreement with findings of other researchers who showed that PCR provides a rapid diagnosis and identification of mycoplasma, and also showed that PCR assay has several features that simplify the diagnosis of mycoplasma infections (Chen et al., 2014).
Patients with agammaglobulinemia are susceptible to infections, including mycoplasma infections (4).
Prevalence and geographical distribution of canine hemotropic mycoplasma infections in mediterranean countries and analysis of risk factors for infection.
Extra pulmonary abnormalities seen in mycoplasma infections include hemolysis, skin rash, chemical hepatitis, encephalitis, meningitis, rhythm disturbance, congestive heart failure, myocarditis, glomerulonephritis, polyarthralgia, myalgia, otitis media, and bullous myringitis [5, 6].
Nicolet, "Mycoplasma infections in cattle, sheep and goats: methods for diagnosis and prophylaxis," in Comprehensive Reports on Technical Items Presented to the International Committee or to Regional Commissions, pp.
However, antibiotic therapy remains the primary tool used for the treatment of mycoplasma infections and the decontamination of cell cultures.
Hereby, we conducted a comprehensive study of the endometrium (hysteroscopic, morphological, and immunological research on genital infection) of patients with reproductive disorders and revealed a high frequency (73.8%) of hyperplastic processes of endometrium (endometrial hyperplasia, polyps), and in the most cases (73.8%), infection of the endometrium with a predominance of microbial associations (78.6%) and mycoplasma infections (33.2%).
Manhas and colleagues (1) reported genital mycoplasmas in HIV-infected men with urethritis calling attention to the emerging area of genitourinary Mycoplasma infections. Infection with HIV has also been associated with the renal disease termed HIV-associated nephropathy (HIVAN) that we speculated (2) could also be associated with mycoplasma infection.
Mycoplasma infections and different human carcinomas.
The numbers of patients in these subgroups was small: 211 patients had Mycoplasma infections and 115 had Chlamydia infections.