Cnido-

1.
a combining form representing cnida, in compound words:
cnidophore.

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Cnidoblast
[nahy-duh-blast] /ˈnaɪ dəˌblæst/ noun, Zoology. 1. the cell within which a nematocyst is developed. /ˈnaɪdəʊˌblɑːst; ˈknaɪ-/ noun 1. (zoology) any of the cells of a coelenterate that contain nematocysts
Cnidoblasts
[nahy-duh-blast] /ˈnaɪ dəˌblæst/ noun, Zoology. 1. the cell within which a nematocyst is developed. /ˈnaɪdəʊˌblɑːst; ˈknaɪ-/ noun 1. (zoology) any of the cells of a coelenterate that contain nematocysts
Cnidocil
[nahy-duh-sil] /ˈnaɪ də sɪl/ noun, Zoology. 1. a hairlike sensory process projecting from the surface of a cnidoblast, believed to trigger the discharge of the nematocyst.