Recent Examples of nematocyst from the Web
Some have sharp skeletons and tentacles with nematocysts (stinging cells) that immobilize prey.
A jellyfish’s tentacles do seem to be an odd choice of meal: humans are wary of their sting, which occurs when skin contact triggers small, harpoon-like structures called nematocysts to inject venoms that attack the victim’s cells.
Researchers initially thought these nematocysts might be genetically similar to those of cnidarians, animals such as jellyfish and sea anemones.
Polykrikos cells have a capsule, called a nematocyst, that contracts to propel a sharp stylet through the water—and through the armor of another microbe.
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Origin and Etymology of nematocyst
First Known Use: 1875See Words from the same year
medical Definition of nematocyst
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