collar cell

noun

Definition of collar cell

: a flagellated endodermal cell that lines the cavity of a sponge and has a contractile protoplasmic cup surrounding the flagellum

called also choanocyte

First Known Use of collar cell

circa 1889, in the meaning defined above

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The first known use of collar cell was circa 1889

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Cite this Entry

“Collar cell.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/collar%20cells. Accessed 15 December 2019.

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