劍橋詞典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(shù)目的染色體） 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