rickettsia - Wordage.info - Free Thesaurus Tool for Word Discovery - Expanded Thesaurus, Reverse Dictionary Lookup

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rickettsia: 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

anaerobe collapse: an organism (especially a bacterium) that does not require air or free oxygen to live

bacillus collapse: aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil

streptococcus collapse: spherical Gram-positive bacteria occurring in pairs or chains; cause e.g. scarlet fever and tonsillitis

staphylococcus collapse: spherical Gram-positive parasitic bacteria that tend to form irregular colonies; some cause boils or septicemia or infections

spirochete collapse: parasitic or free-living bacteria; many pathogenic to humans and other animals

pathogen collapse: any disease-producing agent (especially a virus or bacterium or other microorganism)

spore collapse: a small usually single-celled asexual reproductive body produced by many nonflowering plants and fungi and some bacteria and protozoans and that are capable of developing into a new individual without sexual fusion; "a sexual spore is formed after the fusion of gametes"

bacteria collapse: (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered plants

germ collapse: a small apparently simple structure (as a fertilized egg) from which new tissue can develop into a complete organism

microbe collapse: a minute life form (especially a disease-causing bacterium); the term is not in technical use

fungus collapse: a parasitic plant lacking chlorophyll and leaves and true stems and roots and reproducing by spores

virus collapse: (virology) ultramicroscopic infectious agent that replicates itself only within cells of living hosts; many are pathogenic; a piece of nucleic acid (DNA or RNA) wrapped in a thin coat of protein; a software program capable of reproducing itself and usually capable of causing great harm to files or other programs on the same computer; "a true virus cannot spread to another computer without human assistance"; a harmful or corrupting agency; "bigotry is a virus that must not be allowed to spread"; "the virus of jealousy is latent in everyone"

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