Nematocysts are found in some cells lining the gastrovascular cavity of scyphozoans.

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Nematocysts are specialized stinging organelles found in cnidarians such as scyphozoans. They are usually located on tentacles, oral arms, and other areas of the body involved in prey capture and defense. While nematocysts are not found in all cells lining the gastrovascular cavity of scyphozoans, they are present in some specialized cells known as cnidocytes or nematocytes.

Nematocysts Are Found in Some Cells Lining the Gastrovascular Cavity