choanocyte

[koh-uh-nuh-sahyt, koh-an-uh-]

noun

Zoology.

1. one of the flagellated cells lining the inner cavity of a sponge, having a collar of protoplasm encircling the base of the flagellum.

choanocyte

/ ˈkəʊənəˌsaɪt /

noun

1. Also called: collar cell. any of the flagellated cells in sponges that maintain a flow of water through the body. A collar of protoplasm surrounds the base of the flagellum

Other Word Forms

• choanocytal adjective

Word History and Origins

Origin of choanocyte¹

1885–90; < Greek choán ( ē ) funnel + -o- + -cyte

Word History and Origins

Origin of choanocyte¹

C19: from Greek khoanē funnel (from khein to pour) + _-cyte

Example Sentences

Sponges also have a type of specialized cell called a choanocyte, which resembles choanoflagellates—the single-celled relatives of more complex life.

Read more on Science Magazine

An important part of capturing these little morsels is a specialised type of cell called a choanocyte.

Read more on Scientific American