Abstract
Mouth dryness is one of the complications of diabetes mellitus but there has been little work on morphological changes of the salivary glands. In the present study, the effects of diabetes mellitus on the serous and mucous acini of submandibular gland of male and female rats, 4 and 12 weeks after diabetes induction were studied. Male and female rats were divided into experimental and control subgroups. Diabetes was induced to experimental rats by streptozotocin. At the end of 4 and 12 weeks, the submandibular glands were removed, random sections obtained and volume-weighted mean acini volume was estimated by point-sampled intercepts method. The data revealed that volume reduction occurred only in serous acini in both male and female rats 12 weeks after diabetes induction and the others remained unchanged. The present research using stereological methods demonstrates that diabetes make some morphological changes in serous acini, the main exocrine part of the rat submandibular gland.
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