facultative anaerobe

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anaerobe

 [an´er-ōb]
an organism that lives and grows in the absence of molecular oxygen.(See accompanying table.) adj., adj anaero´bic.
facultative anaerobe a microorganism that can live and grow with or without molecular oxygen.
obligate anaerobe an organism that can grow only in the complete absence of molecular oxygen.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

fac·ul·ta·tive an·aer·obe

an anaerobe that can grow in the presence of air or under conditions of reduced oxygen tension.
Farlex Partner Medical Dictionary © Farlex 2012

fac·ul·ta·tive an·aer·obe

(fak'ŭl-tā'tiv an'ăr-ōb)
An anaerobe that grows in the presence of air or under conditions of reduced oxygen tension.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

facultative anaerobe

A microorganism able to flourish equally well both in the presence and absence of free oxygen.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
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