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

Example Sentences

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

The most noticeable feature about the Myxosporidian trophozoite is its amoeboid and Rhizopod-like character.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" by Various

This envelope is formed soon after nuclear multiplication of the young trophozoite has begun, and is constituted by two nuclei and a thin, peripheral layer of cytoplasm.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" by Various

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

The trophozoite begins life as a small, rounded uninucleate corpuscle, which as it grows, becomes multinucleate.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" by Various