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trichocyst

[trik-uh-sist] /ˈtrɪk əˌsɪst/
noun, Zoology
1.
an organ of offense and defense embedded in the outer cytoplasm of certain protozoans, consisting of a small elongated sac containing a fine, hairlike filament capable of being ejected.
Origin of trichocyst
1850-1855
1850-55; tricho- + cyst
Related forms
trichocystic, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for trichocyst

trichocyst

/ˈtrɪkəˌsɪst/
noun
1.
any of various cavities on the surface of some ciliate protozoans, each containing a sensory thread that can be ejected
Derived Forms
trichocystic, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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