title: Putrescine and spermidine changes in heat-synchronized Tetrahymena populations.
mesh_terms: D000588:Amines / Q000032:analysis*; D000818:Animals; D002082:Butylamines / Q000032:analysis*; D003470:Culture Media; D006358:Hot Temperature; D066298:In Vitro Techniques; D011073:Polyamines / Q000032:analysis; D013768:Tetrahymena / Q000032:analysis*
chemical_list: D000588:Amines; D002082:Butylamines; D003470:Culture Media; D011073:Polyamines