The inside of a chloroplast with the granum circled.

叶体的内部构造与颗粒盘旋。

The uniformity of chloroplast grana lamellae,, the numbers and cristae of mitochondria, and the concentration of nucleus karyolymph were different among different mature grade leaves.

不同成熟度叶片超微结构化明显，主要表现在叶体片层结构整齐程度、线粒体嵴以及细胞核核液浓度上。