剑桥词典the type of cell division in which one cell divides into two cells that are exactly the same, each with the same number of chromosomes as the original cell 有絲分裂（細胞分裂過程，一個細胞分裂成兩個相同的細胞，每一個都含有與母細胞相同數目的染色躰） Our skin cells are continually replaced by mitosis. 我們的皮膚細胞不斷地通過有絲分裂更新。 比較meiosis 返回 mitosis