After years studying the microscropic structure of plants , he proposed his cell theory contributions to phytogenesis ( 1838 ) , in which he stated that the various plant structures are all composed of individual cells 经过多年对植物显微结构的研究，他在1838年发表了的《植物发生论》中提出了细胞学说，指出细胞是构成植物体各种结构的基本单位。
您当前位置：