JOURNAL ARTICLE

What's a Nematocyst?

  • Published In: Time for Kids Teacher's Guide (Grades 5-6), 2026, v. 16, n. 11. P. 3 1 of 2

  • Database: Education Source Ultimate 2 of 2

Abstract

The article focuses on the unique ability of certain soft-bodied stinging animals, such as coral, sea anemones, and jellyfish, to utilize specialized cells called cnidocytes for defense and predation. These cells contain a harpoon-like structure known as a nematocyst, which is discharged when the cnidocil, a trigger mechanism, is activated by touch, typically from a predator. The nematocyst injects venom through a coiled thread, causing pain when stung. The article also contrasts the stinging mechanisms of corals and jellyfish, highlighting differences in their sting effects. [Extracted from the article]

Additional Information

  • Source:Time for Kids Teacher's Guide (Grades 5-6). 2026/01, Vol. 16, Issue 11, p3
  • Document Type:Article
  • Subject Area:Science
  • Publication Date:2026
  • ISSN:21569150
  • Accession Number:191028052
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