Definition of choanocyte in English:

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Pronunciation: /ˈkəʊənə(ʊ)sʌɪt/


A flagellated cell with a collar of protoplasm at the base of the flagellum, numbers of which line the internal chambers of sponges.
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.

For editors and proofreaders

Line breaks: cho¦ano|cyte

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