rod bacterium

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• Bacterium — A single celled microorganism which can exist either as an independent (free living) organism or as a parasite (dependent upon another organism for life). Examples include: {{}}Acidophilus, a normal inhabitant of yogurt, Chlamydia, which causes… …   Medical dictionary

• bacterium — [bak tɪərɪəm] noun (plural bacteria rɪə) a member of a large group of unicellular microorganisms (prokaryotes) which have cell walls but lack an organized nucleus and other structures, and include numerous disease causing forms. Derivatives… …   English new terms dictionary

• Rod — A type of specialized light sensitive cell (photoreceptor) in the retina of the eye that provides side vision and the ability to see objects in dim light (night vision). By contrast, the cones are the retinal photoreceptors that provide sharp… …   Medical dictionary

• rod — noun Etymology: Middle English, from Old English rodd; akin to Old Norse rudda club Date: before 12th century 1. a. (1) a straight slender stick growing on or cut from a tree or bush (2) osier (3) a stick or bundle of twigs used to punish; also… …   New Collegiate Dictionary

• rod-shaped — adjective a) Shaped like a rod; long and cylindrical. Walk through detectors designed to spot guns, knives and other flat and rod shaped weapons cost almost £5,000 each. b) Specifically, describing a form of bacterium. In western Nevada at the… …   Wiktionary

• bacterium — [19] Bacterium was coined in the 1840s from Greek baktérion, a diminutive of bad 46 báktron ‘stick’, on the basis that the originally discovered bacteria were rod shaped. At first it was sometimes anglicized to bactery, but the Latin form has… …   The Hutchinson dictionary of word origins

• bacterium — [19] Bacterium was coined in the 1840s from Greek baktérion, a diminutive of báktron ‘stick’, on the basis that the originally discovered bacteria were rod shaped. At first it was sometimes anglicized to bactery, but the Latin form has prevailed …   Word origins

• bacterium — noun (plural bacteria) Etymology: New Latin, from Greek baktērion staff Date: circa 1849 any of a domain (Bacteria) of prokaryotic round, spiral, or rod shaped single celled microorganisms that may lack cell walls or are gram positive or gram… …   New Collegiate Dictionary

• beaded bacterium — a bacterium that has deeply staining granules equally spaced along its rod …   Medical dictionary

• bifid bacterium — a bacterium that has a branched rod or cleft shaped cell, especially Bifidobacterium …   Medical dictionary

• Rhodobium (bacterium) — Taxobox color = lightgrey name = Rhodobium regnum = Bacteria phylum = Proteobacteria classis = Alpha Proteobacteria ordo = Rhizobiales familia = Rhodobiaceae genus = Rhodobium subdivision ranks = Species subdivision = R. orientis R. marina… …   Wikipedia