In result of electron microscope, cellsof contrast group have large nuclear, plenty of euchromatin and microvillus, and organells, such as mitochondrion, Endoplasmic reticulum and Golgi apparatus are less.

• 电镜观察发现未经LTA作用的对照组细胞核大，常染色质丰富，细胞浆中线粒体、内质网、高尔基体等细胞器少，微绒毛较丰富。