| Description | Species: human - male, 56 years old, Mongoloid Tumorigenecity: no in athymic nude mouse, 0/5 Histopathology: squamous cell carcinoma Differentiation: moderately differentiated Populaton doubling time: 33.4 hrs Split ratio: 1:3 Media change: Remove two thirds of medium and add fresh medium (depending on cell density) every 2 to 3 days |