Toxoplasma gondii

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Tox·o·plas·ma gon·di·i

(tok'sō-plaz'mă gon'dē-ī),
An abundant, widespread sporozoan species (family Toxoplasmatidae) that is an intracellular, non-host-specific parasite in a great variety of vertebrates. It develops its sexual cycle, leading to oocyst production, exclusively in cats and other felids; proliferative stages (tachyzoites) and tissue cysts (containing bradyzoites) develop in a wide variety of animal species that acquire the infection from ingestion of oocysts, tissue cysts from infected meat, organ transplantation or by transplacental migration, leading to infection in utero.
[G. toxon, bow or arc, + plasma, anything formed]

Toxoplasma gondii

A species of obligate intracellular coccidian protozoans which has its sexual cycle in the GI tract of its definitive host, Felis catus. Infection—formally, toxoplasmosis—results from ingestion of oocytes shed in cat faeces or, very rarely, ingestion of meat contaminated by pseudocysts.

Toxoplasma gondii

Parasitology A species of obligate intracellular coccidian protozoans that has its sexual cycle in the GI tract of its definitive host, Felis catus; infection–toxoplasmosis–is usually the result of ingestion of oocytes shed in cat feces or, very rarely, due to ingestion of meat contaminated by pseudocysts. See Toxoplasmosis.

Tox·o·plas·ma gon·di·i

(tok'sō-plaz'mă gon'dē-ī)
An abundant, widespread sporozoan species that is an intracellular, non-host-specific parasite in a great variety of vertebrates. It develops its sexual cycle, leading to oocyst production, exclusively in cats and other felids; proliferative stages (tachyzoites) and tissue cysts (containing bradyzoites) develop in a wide variety of animal species.
[G. toxon, bow or arc, + plasma, anything formed]

Tox·o·plas·ma gon·di·i

(toksō-plazmă gondē-ī)
Abundant, widespread sporozoan species that may cause in utero infection.
[G. toxon, bow or arc, + plasma, anything formed]

Toxoplasma

a genus of apicomplexan parasites in the family Sarcocystidae.

Toxoplasma gondii
a coccidian parasite of the intestine of all felids, including especially the domestic cat, jaguarundi, ocelot, mountain lion, leopard cat, and bobcat, which are definitive hosts. Most vertebrates, including humans and birds, can be infected with the intermediate stages and experience one or other forms of the disease toxoplasmosis. Oocysts are the infective stage of importance in farm animals, and the only environmental infective stage for herbivores. Oocysts excreted in the feces of cats can survive in soil for many months and are ingested by the intermediate (livestock) host, and the parasite invades tissues to produce tissue cysts. The invasion can include the fetus. Tissue cysts in the intermediate host cause damage to the nervous system, myocardium, lung tissue, and placenta. Bradyzoites in animal tissues are a source for toxoplasmosis in humans and pigs.
Toxoplasma hammondi
see hammondiahammondi.
References in periodicals archive ?
In one case, this was done by infecting them with a parasitic organism, Toxo-plasma gondii.
A: TOXOPLASMA GONDII is a parasite which can be passed from cat faeces to humans, and poses the most threat to pregnant women and people with a weakened immune system.
Antihistoplasma antibodies, anticytomegalovirus immunoglobulin (IgM), anti-Toxoplasma gondii IgM and anticryptococcal antibodies were negative.
Toxoplasma gondii (TOX-oh-PLAZ-ma GONE-die) is a parasite that is released in the feces of cats.
SEROPREVALENCE OF TOXOPLASMA GONDII INFECTION IN MARKET WEIGHT PIGS FROM CRYSTAL SPRINGS, MISSISSIPPI
In addition, to evaluate the technical performance of this time-resolved immunofluorometric assay (TRIFMA) as a screening method by comparison with a [mu]-capture immunoassay (1,10) and the Neonatal Toxoplasma gondii IgM fluorometric enzyme immunocapture assay (FEIA; Labsystems).
Supplied in ready-to-use, liquid, human serum based matrix, the Liquichek TORCH Plus Positive and Negative Controls are multi-constituent controls that monitor the precision of procedures that detect Immunoglobulin G (IgG) antibody to Toxoplasma gondii, rubella virus, CMV, HSV types 1 and 2, VZV, Epstein-Barr virus (Viral Capsid Antigen), H.
Italian researchers led by Paolo Matricardi have found that exposure to microbes such as Helicobacter pylori, hepatitis A virus, and Toxoplasma gondii may help protect people from developing asthma and hay fever.
Population Genetics, Diversity, and Spread of Virulence in Toxoplasma Gondii
Tenders are invited for ELISA reagents for quantitative and qualitative detection of immunoglobulin G to Toxoplasma gondii in serum (plasma) of human blood.
The Toxoplasma Gondii can infest the brains of rodents, cats and other mammals.
gondii seroprevalence was higher in BI than in MG (Fisher p = 0.