Histological and morphometric analysis of pancreas
In 16 mice (8 SG and 8 TG), anesthetized with
xylazine 2% and ketamine 5%, the thoracic and
abdominal cavity was opened and the pancreas was
removed. The removed organ was rinsed in saline,
dried on suitable and absorbent paper. The data
of animals weight and organs were used for the
calculation of absolute and relative body weight,
contributing to its macroscopic characterization
according to Ohmuraya et al. (2005).
After opening the abdominal cavity, the
macroscopically evaluated pancreas and the removed
pancreas fragments were fixed by immersion in
10% buffered formalin. During the processing
of the tissue, it was subjected to dehydration.
Then diaphanization was performed in xylene
and impregnation by paraffin. The addition was
performed on paraffin blocks. Histological sections
were prepared by microtomy, at 4 μm, and stained
with routine technique of hematoxylin eosin (HE).
Histological analysis of the fragments was performed
by adopting the criteria: randomly choosing three
cuts, which were fixed on slides, previously prepared
with organosilane (Ohmuraya et al., 2005).