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An elongated cell that develops from a sporozoite or a merozoite of an apicomplexan parasite and that feeds and grows within the host.


(Pathology) the form of a sporozoan protozoan in the feeding stage. In the malaria parasite this stage occurs in the human red blood cell. Compare merozoite


(ˌtrɒf əˈzoʊ aɪt, ˌtroʊ fə-)

a protozoan in the metabolically active growth stage.
[1905–10; tropho- + -zo (on) + -ite1]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.trophozoite - a sporozoan in the active feeding stage of its life cycletrophozoite - a sporozoan in the active feeding stage of its life cycle
sporozoan - parasitic spore-forming protozoan
References in periodicals archive ?
Smears having trophozoite, schizonts and gametocytes were considered positive as per malaria diagnosis standard criteria set by World Health Organisation (WHO).
85% normal saline) was done for the presence of white blood cell, Charcot-Leyden crystals, cyst, trophozoite, and bile stained eggs.
In posh area school, only cysts of Giardia were found in all positive samples and in slum area school, one-third of positive samples had trophozoite and two-third had cyst stage of the parasite.
Although both the cyst and the trophozoite forms can be released in the dog's feces, only the cyst can survive out of the host.
However, thorough observation of the photos, brought to light pale RBC larger than normal, with an irregular coating, amoeboid trophozoite, and granulation therein (Fig.
These amebae occur in two forms in humans: as an active, invasive trophozoite stage and as a dormant, cystic stage.
The most common test is an examination of a fecal sample under a microscope to look for either trophozoite, the growth stage of giardia in the intestine, or cysts, the encapsulated infectious stage, Dr.
foetus presents only a trophozoite stage although a pseudocyst stage was described for the bovine isolate [5, 6].
The trophozoite or ameboid form encysts under unfavorable circumstances and converts to a temporary biflagellate form if exposed to high temperatures.
Only asexual forms (ring trophozoite and schizont) were included for calculating the PI.
It is an extremely resilient organism that exists in two forms, the active trophozoite (see Figure 1) that moves by contractions of finger-like projections, and the dormant cyst that is encased in a double layer cellulose wall (see Figure 2).
3] and the peripheral smear showed normocytic normochromic anemia with trophozoite and gametocyte forms of P.