title: THE CONTRACTILE VACUOLE AND RELATED STRUCTURES IN TETRAHYMENA PYRIFORMIS.
mesh_terms: D003585:Cell Biology; D003581:Cytodiagnosis; D003593:Cytoplasm; D004583:Electrons; D008853:Microscopy; D008854:Microscopy, Electron; D012106:Research; D013768:Tetrahymena; D013769:Tetrahymena pyriformis; D014617:Vacuoles
keywords: CYTOLOGY; CYTOPLASM; EXPERIMENTAL LAB STUDY; MICROSCOPY, ELECTRON; PROTOPLASM; TETRAHYMENA