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

More than two spores, generally very many, are produced typically by each individual trophozoite.

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

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

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

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