nematocyst

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Related to Cnidocyst: nematocyst

nem·a·to·cyst

 (nĕm′ə-tə-sĭst′, nĭ-măt′ə-)
n.
A capsule within specialized cells in the tentacles of cnidarians, such as jellyfish and corals, containing a barbed, threadlike tube that delivers a toxic sting to predators and prey.

nem′a·to·cys′tic adj.

nematocyst

(ˈnɛmətəˌsɪst; nɪˈmætə-)
n
(Zoology) a structure in coelenterates, such as jellyfish, consisting of a capsule containing a hollow coiled thread that can be everted to sting or paralyse prey and enemies
ˌnematoˈcystic adj

nem•a•to•cyst

(ˈnɛm ə təˌsɪst, nɪˈmæt ə-)

n.
one of the tiny organs in jellyfish and other coelenterates that uncoils a threadlike poisonous stinger when irritated.
[1870–75]
nem`a•to•cys′tic, adj.

nem·a·to·cyst

(nĕm′ə-tə-sĭst′, nĭ-măt′ə-sĭst′)
One of the stinging cells in the tentacles of a jellyfish, hydra, or related animal, used to capture prey and ward off attackers.