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tachyzoite
tachyzoite n.
Brit. 
/ˌtakᵻˈzəʊʌɪt/
, /ˌtakᵻˈzəʊʌɪt/U.S. /ˌtækəˈzoʊˌaɪt/
Zoology, one form of the protozoon toxoplasma (see quot. 1973)./ˌtækəˈzoʊˌaɪt/ΘΚΠ
the world > animals > invertebrates > protozoa > class Sporozoa > subclass Toxoplasmea > [noun] > member of genus Toxoplasma > form of
tachyzoite1973
1973 J. K. Frenkel in Hammond & Long Coccidia 344/1 I am introducing two other terms: ‘tachyzoites’ for the rapidly multiplying forms of the acute infection, previously called trophozoites, aggregations, and proliferative forms; and ‘bradyzoites’ for the slowly multiplying encysted forms characteristic of chronic infection, which have been variously called merozoites or just zoites.
1979 Biol. Abstr. 68 7579/1 Probably most toxoplasmosis infections involve the ingestion of cat feces bearing cysts and oocytes rather than contact with tachyzoites.
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as lemmas