Definition of choanocyte in English:


Syllabification: cho·a·no·cyte
Pronunciation: /kōˈanəˌsīt


  • A flagellated cell with a collar of protoplasm at the base of the flagellum, numbers of which line the internal chambers of sponges.
    More example sentences
    • Water movement is driven by the beating of flagellae, which are located on specialized cells called choanocytes (collar cells).
    • Sponge cells called choanocytes each project a minuscule filament.
    • Particles are caught in the collar part of the choanocyte cells.


late 19th century: from Greek khoanē 'funnel' + -cyte.

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