title: Effect of gamma irradiation of hydra: elimination of interstitial cells from viable hydra.
mesh_terms: D000818:Animals; D002460:Cell Line; D002999:Clone Cells; D004435:Eating; D005720:Gamma Rays; D006829:Hydra / Q000166:cytology / Q000254:growth & development / Q000528:radiation effects*; D013997:Time Factors