Which cells are absent in the gastrodermis of hydra?
The gastrodermis of Hydra has digestive, secretory, muscular, and sensory functions. Various types of cells of the gastrodermis are nutritive muscular, interstitial, nerve, and gland cells.
Cnidocytes or stinging cells of Hydra are present on the epidermis of their tentacles.
So, the correct answer is 'Stinging cells'.