Synonym for nematocyst ... Stinging mechanism used for defence and prey capture by Hydra and other members of the Cnidaria (Coelenterata). It is located within a specialised cell, the nematocyte and consists of a capsule containing a coiled tube. When the nematocyte is triggered, the wall of the capsule changes its water permeability and the inrush...
Type: Term Pronunciation: nī′dō-sist Synonyms: nematocyst
The 'stinging cell' of a cnidarian.
a nematocyst.