HE
Hematoxylin and eosin (H&E) staining(Servicebio, China) was performed
on thin slices that were embedded in a wax block of liver tissue. The
whole dyeing process includes five contents: dewaxing, dyeing,
dehydration, transparent and mounting. The overall characteristics of
the tissue were observed under a low-power microscope, and then the
images of representative areas were observed and collected.