grana

The inside of a chloroplast with the granum circled.

叶绿的内部造与颗粒盘旋。

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变化明显，主在叶绿片层结程度、线粒个数和嵴数以及细胞核核液浓度上。