Assertion: sea anemone's tentacle | /r/MadeOf | stinging cells
Facets:
Source sentences:
text: The tentacles contain stinging cells called cnidocytes, which hold venomous organelles called nematocysts, used to paralyze and capture prey, as well as to defend against attackers.
text: The anemone’s tentacles, which contain numerous nematocysts (or stinging cells) that are used to immobilize the anemone’s prey, protect the common clown fish from its predators.
text: The white tentacles (acrorhagi), which contain stinging cells, are for fighting.