grana

The inside of a chloroplast with the granum circled.

绿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.

不同成片超微结构变化明显，主要表现在绿片层结构整齐程、线粒个数和嵴数胞核核液浓上。