Bradyzoite

Bradyzoite

Bradyzoite (from Greek "brady"=slow and "zōon"=animal) is a sessile (slow-growing), form of a zoonotic microorganism, typically, Toxoplasma gondii, including others responsible for parasitic infections. In chronic (latent) toxoplasmosis, bradyzoite microscopically presents as clusters enclosed by an irregular crescent-shaped wall (a pseudocyst), in infected muscle and brain tissues.

Bradyzoite is the antonym of tachyzoite, which is a stage of rapid growth.


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  • bradyzoite — A slowly multiplying encysted form of sporozoan parasite typical of chronic infection with Toxoplasma gondii. It has also been called a merozoite or zoite; the complex of bradyzoites within an enclosing membrane has also been called a …   Medical dictionary

  • Toxoplasmose — Classification et ressources externes Tachyzoïtes de Toxoplasma gondii CIM 10 …   Wikipédia en Français

  • Apicomplexa lifecycle stages — Cellular structure of a typical, generalised Apicomplexan: 1 polar ring, 2 conoid, 3 micronemes, 4 rhoptries, 5 nucleus, 6 nucleolus, 7 mitochondria, 8 posterior ring, 9 alveoli, 10 golgi apparatus, 11 micropore. Apicomplexa life cycle stages… …   Wikipedia

  • Toxoplasma — gondii Toxoplasma gondii …   Wikipédia en Français

  • Toxoplasma gondii — Toxoplasma gondii …   Wikipédia en Français

  • Toxoplasma gondii — Le parasite : Toxoplasma gondii …   Wikipédia en Français

  • Toxoplasma gondii — Taxobox | color = khaki name = Toxoplasma Gondii image width = 200px image caption = T. gondii tachyzoites regnum = Protista phylum = Apicomplexa classis = Conoidasida subclassis = Coccidiasina ordo = Eucoccidiorida familia = Sarcocystidae genus …   Wikipedia

  • Tachyzoite — is an asexual stage of rapid growth in a number of microorganisms, with many being directly responsible for parasitic diseases. Tachyzoites are motile forms of coccidians that form tissue cysts, such as toxoplasmosis and sarcocystis. Tachyzoites… …   Wikipedia

  • pseudocyst — 1. An accumulation of fluid in a cystlike loculus, but without an epithelial or other membranous lining. SYN: adventitious cyst, false cyst. 2. A cyst whose wall is formed by a host cell and not by a parasite. 3. A …   Medical dictionary

  • tachyzoite — A rapidly multiplying stage in the development of the tissue phase of certain coccidial infections, as in Toxoplasma gondii development in acute infections of toxoplasmosis. [tachy + G. zoon, animal] * * * tachy …   Medical dictionary

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