trophozoite

American  

[trof-uh-zoh-ahyt, troh-fuh-] / ˌtrɒf əˈzoʊ aɪt, ˌtroʊ fə- /

noun

Zoology.

1. a protozoan in the metabolically active growth stage.

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trophozoite British  

/ ˌtrɒfəˈzəʊaɪt /

noun

1. 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

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Etymology

Origin of trophozoite

First recorded in 1905–10; tropho- + -zo(on) + -ite ¹

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Example Sentences

See Examples For:

trophozoite

Correlated with the advanced degree of parasitism, there is a complete absence of specialization or differentiation of the cell-body, and the trophozoite is quite incapable of any kind of movement.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" by Various

A young trophozoite which is becoming a gametocyte is distinguished from one which gives rise to a schizont by its much slower rate of growth, and the absence of any vacuoles in its cytoplasm.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 7 "Gyantse" to "Hallel" by Various

The trophozoite is now large and full-grown, and has become rounded and ready for schizogony.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 7 "Gyantse" to "Hallel" by Various

In the case of intestinal Gregarines, the behaviour of the young trophozoite with respect to the epithelial cells of its host varies greatly.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 5 "Greek Law" to "Ground-Squirrel" by Various

In such cases, there is absolutely nothing to indicate the “double” nature of the growing trophozoite, but the presence of the two nuclei which remain quite distinct.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 5 "Greek Law" to "Ground-Squirrel" by Various

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