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 (ăk-tĭn′ō-mī′sēz, ăk′tə-nō-)
n. pl. actinomyces
Any of various rod-shaped or filamentous, chiefly anaerobic bacteria of the genus Actinomyces, commonly found in the mammalian oral cavity and including pathogenic species, such as the causative agents of actinomycosis.

[New Latin Actīnomycēs, genus name : actino- + Greek mukēs, fungus.]
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.


a genus of bacteria that causes disease in humans and improves soil ecology
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ækˌtɪn oʊˈmaɪ siz, ˌæk tə noʊ-)

n., pl. -ces.
any of several filamentous, anaerobic bacteria of the genus Actinomyces, certain species of which are pathogenic.
[< New Latin (1877) = Greek aktino- actino- + mýkēs fungus]
ac•tin`o•my•ce′tal, adj.
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.actinomyces - soil-inhabiting saprophytes and disease-producing plant and animal parasitesactinomyces - soil-inhabiting saprophytes and disease-producing plant and animal parasites
eubacteria, eubacterium, true bacteria - a large group of bacteria having rigid cell walls; motile types have flagella
genus Actinomyces - type genus of the family Actinomycetaceae
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
El genero esta conformado por 12 especies, entre las cuales, el mas patogeno para el hombre es el Actinomyces israelii, sin embargo, existen otras especies patogenas para la especie humana son A.
(17) Of note, Actinomyces colonization can coexist with necrotic lung cancer.
In comparison, Actinomyces organisms are characterized by a chronic course and extensive fibrosis, often mimicking malignancy.
Caries, a common oral disease, can cause defect of dental tissue, mainly attributed to Streptococcus mutans, Actinomyces viscosus, Lactobacillus and Streptococcus sanguis (Caufield and Griffen, 2005).
As member of the oral flora, actinomyces are organically anaerobic or microaerophilic and sporless microorganisms.
The 10 species identified by the ParoCheck10[R] microarray detection system were as follows: The red complex: Porphyromonasgingivalis, Tannerella forsythia and Treponema denticola; the orange complex: Campylobacter rectus, Fusobacterium nucleatum, Parvimonas micra and Prevotella intermedia; the green complex: Aggregatibacter actinomycetemcomitans and Eikenella corrodens; the blue complex: Actinomyces viscosus (12).
This epithelial debris forms the ideal media for the growth of bacterial actinomyces and fungi such as Leptothrix buccalis.
Fragments of 340 bp, 341 bp, 343 bp, 344 bp, 345 bp, 347 bp, 349 bp, 353 bp, 354 bp, 356 bp, 361 bp, 363 bp, 368 bp, and 375 bp were classified, respectively, as coming from genera Mycobacterium , Ureaplasma or Mycoplasma , Sneathia , Corynebacterium , Atopobium , Gardnerella , Mobiluncus , Prevotella , Actinomyces , Staphylococcus , Anaerococcus , Peptoniphilus , Megasphaera, and Lactobacillus .
MALDI-TOF mass spectrometry was not able to provide a reliable identification for Varibaculum timonense, Prevotella ihuae, Actinomyces ihuae, and 2 Corynebacterium phoceense isolates.
Pasteurella multocida, Mycoplasma spp., Escherichia coli, Actinomyces pyogenes, Streptococcus spp.