title: The sickle-unsickle cycle: a cause of cell fragmentation leading to permanently deformed cells.
mesh_terms: D000755:Anemia, Sickle Cell / Q000503:physiopathology*; D004912:Erythrocytes / Q000503:physiopathology*; D006454:Hemoglobins; D006801:Humans; D008855:Microscopy, Electron, Scanning; D009040:Motion Pictures; D009584:Nitrogen; D010084:Oxidation-Reduction; D010100:Oxygen
chemical_list: D006454:Hemoglobins; D009584:Nitrogen; D010100:Oxygen