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Dividing T. gondii parasites. Toxoplasma gondii (/ ˈ t ɒ k s ə ˌ p l æ z m ə ˈ ɡ ɒ n d i. aɪ,-iː /) is a species of parasitic alveolate that causes toxoplasmosis. [3] Found worldwide, T. gondii is capable of infecting virtually all warm-blooded animals, [4]: 1 but felids are the only known definitive hosts in which the parasite may undergo sexual reproduction.
Toxoplasma gondii has been reported as the cause of death of a giant panda kept in a zoo in China, who died in 2014 of acute gastroenteritis and respiratory disease. [111] Although seemingly anecdotal , this report emphasizes that all warm-blooded species are likely to be infected by T. gondii , including endangered species such as the giant panda.
A bradyzoite (G. bradys, slow + zōon, animal) is a sessile, slow-growing form of zoonotic microorganisms such as Toxoplasma gondii, among others responsible for parasitic infections. In chronic (latent) toxoplasmosis , bradyzoites microscopically present as clusters enclosed by an irregular crescent-shaped wall ( cysts ) in infected muscle and ...
ingestion of uncooked/undercooked pork/lamb/goat with Toxoplasma bradyzoites, ingestion of raw milk with Toxoplasma tachyzoites, ingestion of contaminated water food or soil with oocysts in cat feces that is more than one day old Trichomoniasis: Trichomonas vaginalis: female urogenital tract (males asymptomatic) microscopic examination of ...
Toxoplasmosis (Toxoplasma gondii) The name Apicomplexa derives from two Latin words—apex (top) and complexus (infolds)—for the set of organelles in the sporozoite. The Apicomplexa comprise the bulk of what used to be called the Sporozoa, a group of parasitic protozoans, in general without flagella, cilia, or pseudopods.
Toxoplasma gondii induces behavioural changes in rats by infecting central nervous system neurons. While some parasites exploit their hosts' typical immune responses, others seem to alter the immune response itself. For example, the typical immune response in rodents is characterized by heightened anxiety. [48]
Toxoplasma gondii tachyzoites: Scientific classification; ... Toxoplasma; The Sarcocystidae are a family of Apicomplexa associated with a variety of diseases in ...
Diagram of T. gondii structure with dense granules. T. gondii contains organelles called unique organelles including dense granules. Dense granules, along with other secretory vesicles such as a microneme and rhoptry secrete proteins involved in the gliding motility, invasion, and parasitophorous vacuole formation of Toxoplasma gondii.