trichocyst

noun
tricho·​cyst | \ ˈtri-kə-ˌsist How to pronounce trichocyst (audio) \

Definition of trichocyst

: any of the minute lassoing or stinging organelles of protozoans and especially of many ciliates

First Known Use of trichocyst

1859, in the meaning defined above

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The first known use of trichocyst was in 1859

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trichocyst

noun
tricho·​cyst | \ ˈtrik-ə-ˌsist How to pronounce trichocyst (audio) \

Medical Definition of trichocyst

: any of the minute projectile organs that release adhesive threads when discharged and that occur on the body of protozoans and especially of many ciliates

More from Merriam-Webster on trichocyst

Britannica.com: Encyclopedia article about trichocyst

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