Cnidoblasts are the characteristic feature of the phylum Cnidaria. These are present on the body surface and tentacles. They contain nematocysts, which are stinging capsules. It helps in catching the prey and in defence.

What are the significance of cnidoblast in Coelenterate?

Answer: Cnidoblasts are specialized cell structures that are present in coelenterates that contain stinging cells called as nematocysts. It is coiled threadlike structure, which helps to capture, anchorage prey. It contains poison that paralyzes the prey and it helps to hold them easily.

What is a cnidoblast and how do they work?

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…a special cell called a cnidoblast and contains a coiled, hollow, usually barbed thread, which quickly turns outward (i.e., is everted) from the capsule upon proper stimulation. The purpose of the thread, which often contains poison, is to ward off enemies or to capture prey.