Collagen fibers were observed normal in all 13 (100%) animals of
group A (figure 1 and 2) and C (figure 3 and 4), while in Group B, 13
were abnormal i.e. hyalinization and congestion of collagen fibers were
observed (figure 5, 6 and 7) and in group D the collagen fibers were
normal in 10 (76.9%) animals only (figure 8 and 9).
In group A (figure land 2) and C (figure 3 and 4), hyalinization of
collagen fibers and fibrosis were absent in all 13 (100%) animals, while
in Group B hyalinization of collagen fibers (figure 6 and 7) and fibrosis
(figure 5) were present in 13 (100%) animals and in group D the hyalinization
of collagen fibers (figure 10 and 11) and fibrosis (figure 11)