Medical term:
mycoplasma
Mycoplasma
[mi´ko-plaz″mah]a genus of highly pleomorphic, gram-negative, aerobic or facultatively anaerobic bacteria that lack cell walls, including the pleuropneumonia-like organisms and other species.
Mycoplasma ho´minis a species found associated with nongonococcal urethritis and mild pharyngitis.
Mycoplasma pneumo´niae a cause of primary atypical pneumonia; called also Eaton agent.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
Mycoplasma
(mī'kō-plaz'mă),A genus of aerobic to facultatively anaerobic bacteria (family Mycoplasmataceae) containing gram-negative cells that do not possess a true cell wall but are bounded by a three-layered membrane; they do not revert to bacteria-containing cell walls or cell wall fragments. The minimal reproductive units of these organisms are 0.2-0.3 mcm in diameter. The cells are pleomorphic, and in liquid media appear as coccoid bodies, rings, or filaments. Colonies of most species consist of a central core, growing down into the medium, surrounded by superficial peripheral growth. They require sterol for growth. They also require enrichment with serum or ascitic fluid. These organisms are found in humans and other animals and can be pathogenic. The type species is Mycoplasma mycoides.
Synonym(s): Asterococcus
[myco- + G. plasma, something formed (plasm)]
my·co·plas·ma
, pl.my·co·plas·ma·ta
(mī'kō-plaz'mă, -plaz'mah-tă),A vernacular term used only to refer to any member of the genus Mycoplasma.
Farlex Partner Medical Dictionary © Farlex 2012
mycoplasma
(mī′kō-plăz′mə)n.
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.
my′co·plas′mal adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
Mycoplasma
A genus of incomplete intracellular and extracellular pathogens of class Mollicutes, which cause walking pneumonia that resolves in 4–6 weeks and genitourinary infections. M hominis may cause pelvic inflammatory disease, septicaemia and urogenital infection.Microbiology
Mycoplasma measure 0.25 µm, lack cell wall precursors (N-acetyl glucosamine and N-acetylmuramic acid), divide by binary fusion and fragmentation, and have CO2 and NH3 as end products of ureaplasma enzymatic hydrolysis. The growth medium requires fresh yeast or fatty acids, sterols and nucleic acids; the spherule seen on culture represents a microcolony and has a fried egg appearance. M pneumoniae produces hydrogen peroxide, may be identified by hemadsorption and CF, and infects epithelial cells without producing leukocytosis.
Diagnosis
Based on a a single titre of > 1:256, or a 4-fold increased in titer when ≥ 2 specimens have been obtained from the patient on different occasions.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
Mycoplasma
Infectious disease A pathogen that causes 'walking pneumonia'–resolving in 4-6 wks, and genitourinary infections. M hominis may cause PID, septicemia, urogenital infectionMcGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
My·co·plas·ma
(mī'kō-plaz'mă)A genus of aerobic to facultatively anaerobic bacteria containing gram-negative cells that do not possess a true cell wall but are bounded by a three-layered membrane. The cells are pleomorphic and, in liquid media, appear as coccoid bodies, rings, or filaments. These organisms are found in humans and other animals and are parasitic to pathogenic.
[myco- + G. plasma, something formed (plasm)]
my·co·plas·ma
, pl. mycoplasmata (mī'kō-plaz-mă, -plaz'mă-tă)A vernacular term used to refer to any member of the genus Mycoplasma.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
Mycoplasma
A genus of very small micro-organisms, about the size of some viruses but capable of independent existence. Unlike bacteria they have no cell walls. Mycoplasma pneumoniae causes outbreaks of PNEUMONIA in institutions. Mycoplasma hominis , is often present harmlessly in the mouth or vagina but is believed to be a cause of URETHRITIS and SALPINGITIS. Mycoplasma infections respond to TETRACYCLINE and ERYTHROMYCIN.Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
Mycoplasma
A type of free-living microorganism that has no cell wall. Mycoplasmas cause some varieties of pneumonia and urinary tract infections that stimulate the body to produce cold agglutinins.
Mentioned in: Cold Agglutinins Test
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.
My·co·plas·ma
(mī'kō-plaz'mă)A genus of aerobic to facultatively anaerobic bacteria found in humans and other animals; range from parasitic to pathogenic.
[myco- + G. plasma, something formed (plasm)]
Medical Dictionary for the Dental Professions © Farlex 2012
Mycoplasma
[mi´ko-plaz″mah]a genus of highly pleomorphic, gram-negative, aerobic or facultatively anaerobic bacteria that lack cell walls, including the pleuropneumonia-like organisms and other species.
Mycoplasma ho´minis a species found associated with nongonococcal urethritis and mild pharyngitis.
Mycoplasma pneumo´niae a cause of primary atypical pneumonia; called also Eaton agent.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
Mycoplasma
(mī'kō-plaz'mă),A genus of aerobic to facultatively anaerobic bacteria (family Mycoplasmataceae) containing gram-negative cells that do not possess a true cell wall but are bounded by a three-layered membrane; they do not revert to bacteria-containing cell walls or cell wall fragments. The minimal reproductive units of these organisms are 0.2-0.3 mcm in diameter. The cells are pleomorphic, and in liquid media appear as coccoid bodies, rings, or filaments. Colonies of most species consist of a central core, growing down into the medium, surrounded by superficial peripheral growth. They require sterol for growth. They also require enrichment with serum or ascitic fluid. These organisms are found in humans and other animals and can be pathogenic. The type species is Mycoplasma mycoides.
Synonym(s): Asterococcus
[myco- + G. plasma, something formed (plasm)]
my·co·plas·ma
, pl.my·co·plas·ma·ta
(mī'kō-plaz'mă, -plaz'mah-tă),A vernacular term used only to refer to any member of the genus Mycoplasma.
Farlex Partner Medical Dictionary © Farlex 2012
mycoplasma
(mī′kō-plăz′mə)n.
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.
my′co·plas′mal adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
Mycoplasma
A genus of incomplete intracellular and extracellular pathogens of class Mollicutes, which cause walking pneumonia that resolves in 4–6 weeks and genitourinary infections. M hominis may cause pelvic inflammatory disease, septicaemia and urogenital infection.Microbiology
Mycoplasma measure 0.25 µm, lack cell wall precursors (N-acetyl glucosamine and N-acetylmuramic acid), divide by binary fusion and fragmentation, and have CO2 and NH3 as end products of ureaplasma enzymatic hydrolysis. The growth medium requires fresh yeast or fatty acids, sterols and nucleic acids; the spherule seen on culture represents a microcolony and has a fried egg appearance. M pneumoniae produces hydrogen peroxide, may be identified by hemadsorption and CF, and infects epithelial cells without producing leukocytosis.
Diagnosis
Based on a a single titre of > 1:256, or a 4-fold increased in titer when ≥ 2 specimens have been obtained from the patient on different occasions.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
Mycoplasma
Infectious disease A pathogen that causes 'walking pneumonia'–resolving in 4-6 wks, and genitourinary infections. M hominis may cause PID, septicemia, urogenital infectionMcGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
My·co·plas·ma
(mī'kō-plaz'mă)A genus of aerobic to facultatively anaerobic bacteria containing gram-negative cells that do not possess a true cell wall but are bounded by a three-layered membrane. The cells are pleomorphic and, in liquid media, appear as coccoid bodies, rings, or filaments. These organisms are found in humans and other animals and are parasitic to pathogenic.
[myco- + G. plasma, something formed (plasm)]
my·co·plas·ma
, pl. mycoplasmata (mī'kō-plaz-mă, -plaz'mă-tă)A vernacular term used to refer to any member of the genus Mycoplasma.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
Mycoplasma
A genus of very small micro-organisms, about the size of some viruses but capable of independent existence. Unlike bacteria they have no cell walls. Mycoplasma pneumoniae causes outbreaks of PNEUMONIA in institutions. Mycoplasma hominis , is often present harmlessly in the mouth or vagina but is believed to be a cause of URETHRITIS and SALPINGITIS. Mycoplasma infections respond to TETRACYCLINE and ERYTHROMYCIN.Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
Mycoplasma
A type of free-living microorganism that has no cell wall. Mycoplasmas cause some varieties of pneumonia and urinary tract infections that stimulate the body to produce cold agglutinins.
Mentioned in: Cold Agglutinins Test
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.
My·co·plas·ma
(mī'kō-plaz'mă)A genus of aerobic to facultatively anaerobic bacteria found in humans and other animals; range from parasitic to pathogenic.
[myco- + G. plasma, something formed (plasm)]
Medical Dictionary for the Dental Professions © Farlex 2012
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