叶绿体结构 叶肉细胞 Leaf cross section Mesophyll cell Leaf Mesophyll Cell wall Vacuole Chloroplast Nucleus- Cytosol Stoma焉孔 细胞浆 淀粉体Starch grain 类囊体Thylakoid 外膜Outer membrane 膜间隙cembrane 内膜Inner membrane 基粒Granum- 基质Stroma- Thylakoid space 绿体Chloroplast