title: Contraction of isolated contractile vacuoles from Amoeba proteus.
mesh_terms: D000255:Adenosine Triphosphate / Q000494:pharmacology; D000656:Amoeba / Q000166:cytology* / Q000187:drug effects / Q000502:physiology; D000818:Animals; D008274:Magnesium / Q000494:pharmacology; D008858:Microscopy, Phase-Contrast
chemical_list: D000255:Adenosine Triphosphate; D008274:Magnesium