cassiosome

Fetched 2026-10-26 (cache).

Synonyms: calciosome

Antonyms: calciosome

Related words from Datamuse; suggestions, not definitions.

Noun

1. A stinging-cell structure, composed of a layer of mainly [[nematocyte]]s surrounding a core of [[dinoflagellate]]s, [[amoebocyte]]s and [[mesoglea]], expelled within [[mucus]] by {{taxfmt|Rhizostomeae|order}} [[jellyfish]] to sting (and in some cases kill) prey in the surrounding water.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.