endolith


endolith
A calcified body found in the pulp chamber of a tooth; may be composed of irregular dentin (true denticle) or due to ectopic calcification of pulp tissue (false denticle). SYN: denticle (1), pulp calcification, pulp calculus, pulp nodule, pulp stone. [endo- + G. lithos, stone]

Medical dictionary. 2011.

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  • Endolith — lifeform found inside an Antarctic rock An endolith is an organism (archaeum, bacterium, fungus, lichen, alga or amoeba) that lives inside rock, coral, animal shells, or in the pores between mineral grains of a rock. Many are extremophiles,… …   Wikipedia

  • Endolith — Endolithische Flechte der Gattung Verrucaria Als endolithisch wird die Lebensweise von Organismen im Inneren von Gesteinen bezeichnet (Endo : innen, im Inneren; lithos: der Stein). Die endolithische Lebensweise findet man nur bei Mikroorganismen …   Deutsch Wikipedia

  • Endolith — En|do|lith [auch ... lit] der; Gen. s u. en, Plur. e[n] (meist Plur.) <zu ↑endo... u. ↑...lith> niedere Pflanze (vor allem Flechten u. Blaualgen), deren ↑Thallus tief in Steine einwächst (Bot.) …   Das große Fremdwörterbuch

  • endolith — coloured design on chemically prepared slab of marble or ivory Stones and Rocks …   Phrontistery dictionary

  • endolith — /ˈɛndoʊlɪθ/ (say endohlith) noun a microorganism able to live under extreme conditions, found inside a rock or in the pores between grains of a mineral. –endolithic /ɛndoʊˈlɪθɪk/ (say endoh lithik), adjective …   Australian English dictionary

  • Lithotroph — A lithotroph is an organism that uses an inorganic substrate (usually of mineral origin) to obtain reducing equivalents for use in biosynthesis (e.g., carbon dioxide fixation) or energy conservation via aerobic or anaerobic respiration.[1] Known… …   Wikipedia

  • Lithoautotroph — A lithoautotroph is a microbe which derives energy from reduced compounds of mineral origin. They may also be referred to as chemolithoautotrophs, a type of lithotrophs, reflecting their autotrophic metabolic pathways. Lithoautotrophs are… …   Wikipedia

  • Extremophile — An extremophile is an organism that thrives in and may even require physically or geochemically extreme conditions that are detrimental to the majority of life on Earth.Most known extremophiles are microbes. The domain Archaea contains renowned… …   Wikipedia

  • Oligotroph — An oligotroph is an organism that can live in an environment that offers very low levels of nutrients. They may be contrasted with copiotrophs, which prefer nutritionally rich environments. Oligotrophs are characterized by slow growth, low rates… …   Wikipedia

  • Carnivore — Carnivorism redirects here. For the diet, see No carbohydrate diet. For other uses, see Carnivore (disambiguation). Lions are voracious carnivores; they require up to seven kilograms (15 lbs) of meat per day. A major component of their diet is… …   Wikipedia


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