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

See Examples For:

trophozoite

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

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

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 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

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