a) partial damage of villi (V) and nearly intact brush border (arrows). (H &E X100)
b) partial damage of the villi (black arrows) with few cells shedded inside the crypts (red arrows). (H & E X 100)
c) ulceration (black arrows) and focal intravillous hemorrhage (red arrow). (H& E X 200).
d) partrial damage of villi (blue arrow) and increased mitotic activity (black arrows). (H & E X 200).
e) numerous goblet cells (arrow heads) and focal intravillous hemorrhage (arrow). (H & E X 200).
f) numerous goblet cells (arrow heads), ulceration (black arrows) and increased mitotic activity (blue arrows) (H& E X 200).
