What is cnidoblast cell? Where it is found?

A cnidoblast is a specialized cell containing one giant secretory organelle or cnida that defines the phylum Cnidaria. This is a stinging cell present in the coelenterates which helps them to protect themselves from any prey. Cnidoblasts release hypnotoxin which paralyses the prey or even may result in death.


Cnidoblasts are the distinctive feature of the phylum Cnidaria. These are present on the body surface and tentacles.

These are functional cells found in the tentacles of jellyfish capable of projecting a thread-like structure as a form of self-defence from other animalsor to capture prey.

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