Look up: Rickettsia

1. 
   Rickettsia
   Plant disease agents belonging to the Schizomycetes group of bacteria, which may cause virus-like symptoms.
   Found on http://www.pestmanagement.co.uk/lib/glos
   
   
2. 
   Rickettsia
   [n] - any of a group of parasitic bacteria that live in arthropods (as ticks and mites) and can cause disease if transmitted to human beings
   Found on http://www.webdictionary.co.uk/definitio
   
   
3. 
   Rickettsia
   Rickettsia: A member of a group of microorganisms that (like viruses) require other living cells for growth but (like bacteria) use oxygen, have metabolic enzymes and cell walls, and are susceptible to antibiotics. Rickettsiae cause a series of diseases named for the American pathologist Howard Ricketts who discovered that ticks spread Rocky Mounta ...
   Found on http://www.medterms.com/script/main/art.
   
   
4. 
   rickettsia
   one of a group of obligate intracellular parasitic microorganisms,once regarded as intermediate in their properties between bacteria and viruses but now classified as bacteria in the order Rickettsiales,which includes 17 genera and 3 families:Rickettsiaceae,Bartonellaceae,and Anaplasmataceae Category: Medicine
   Found on http://www.mijnwoordenboek.nl/definition
   
   
5. 
   Rickettsia
   Genus of Gram negative bacteria responsible for a number of insect-borne diseases of man (including scrub typus and Rocky Mountain spotted fever). Obligate intracellular parasites.
   Found on
   
   
6. 
   rickettsia
   A member of a group of microorganisms that (like viruses) require other living cells for growth but (like bacteria) use oxygen, have metabolic enzymes and cell walls, and are susceptible to antibiotics. Rickettsiae cause a series of diseases (see rickettsial diseases). ... (12 Dec 1998) ...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
7. 
   rickettsia
   noun any of a group of very small rod-shaped bacteria that live in biting arthropods (as ticks and mites) and cause disease in vertebrate hosts; they cause typhus and other febrile diseases in human beings
   Found on http://wordnet.princeton.edu/perl/webwn?
   
   
8. 
   Rickettsia
   `Rickettsia` is a genus of non-motile, Gram-negative, non-sporeforming, highly pleomorphic bacteria that can present as cocci , rods or thread-like . Obligate intracellular parasites, the `Rickettsia` depend on entry, growth, and replication within the cytoplasm of eukaryotic host cells (typically endothelial cells). Because of this, `Rickettsia` cannot live in artificial nutrient environments and are grown either in tissue or embryo cultures (ty...
   Found on http://en.wikipedia.org/wiki/Rickettsia
   
   
9. 
   Rickettsia
   (rĭ-ket´se-ә) a genus of bacteria made up of small, gram-negative, rod-shaped to coccoid microorganisms that multiply only inside host cells. They are found inside tissue cells or free-floating in the intestines of lice, fleas, ticks, and mites, which transmit them when they bite larger animals. R. cono...
   Found on http://www.mercksource.com/pp/us/cns/cns
   
   
10. 
    rickettsia
    (rĭ-ket´se-ә) pl. rickett´siae An individual organism of the family Rickettsiaceae.
    Found on http://www.mercksource.com/pp/us/cns/cns
    
    
11. 
    Rickettsia
    (from the article `rickettsia`) ...exceptions, since humans are the only host of proven importance. The other rickettsial infections occur primarily in animals, which serve as ...
    Found on http://www.britannica.com/eb/a-z/r/48
    
    
12. 
    rickettsia
    any member of three genera (Rickettsia, Coxiella, Rochalimaea) of bacteria in the family Rickettsiaceae. The rickettsiae are rod-shaped or variably ... [7 related articles]
    Found on http://www.britannica.com/eb/a-z/r/48
    
    
13. 
    Rickettsia
    A genus of bacteria (order Rickettsiales) containing small (nonfilterable), often pleomorphic, coccoid to rod-shaped, Gram-negative organisms that usually occur intracytoplasmically in lice, fleas, ticks, and mites but do not grow in cell-free media; pathogenic species infect humans and other animals, causing epidemic typhus, murine, or endemic typ...
    Found on
    
    
14. 
    rickettsia
    rickettsia (riket'sēu) , any of a group of very small microorganisms, many disease-causing, that live in vertebrates and are transmitted by bloodsucking parasitic arthropods such as fleas, lice (see louse), and ticks. Rickettsias are named after their discoverer, the American pathologist H...
    Found on http://www.infoplease.com/ce6/sci/A08418