title: Nematocyte developmental in Hydra attenuata is dependent on both the interstitial cells and the epithelial cells.
mesh_terms: D000818:Animals; D002454:Cell Differentiation; D004848:Epithelium / Q000502:physiology; D006829:Hydra / Q000166:cytology / Q000254:growth & development*; D009154:Mutation; D013194:Staining and Labeling