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Original Research

Ann Med Res. 2012; 19(4): 237-245


The Microscopical Evaluation of Age Dependent Modifications in Rat Ileum

Hülya Elbe, Meltem Kuruş, Alper Kazancı, Ali Otlu

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Abstract


Aim: In this study, we aimed to determine changes inhe number of villi, height of villi, width of villi and the number of goblet cells in rat ileum.
Materials and Methods: For this purpose, 24 female Sprague Dawley rats were divided into 3 groups each containing 8 rats. Tissue samples were removed on the 21st day, 60th day and at 19 months. Sections were stained by the hematoxylin-eosin and periodic acid Schiff (PAS). The number of villi, height of villi, width of villi and number of goblet cell were determined by Leica Q Win image analysis system.
Results: In the present study, the mean number of villi was 9.50±0.202 at 21 days old, 7.50±0.164 at 60 days old and 7.07±0.180 at 19 months old rats. There was a statistically significant difference between 21 days old and 60 days old groups, and 21 days old and 19 months old groups (p=0.0001). We have detected that the mean villi heights as 320.73±3.801 μm at 21 days old, 509.34±4.207 μm at 60 days old and 381.09±3.528 μm at 19 months old rats. All three groups had statistically significant differences compared with each other (p=0.0001). We have detected that the mean villi width as 86.75±1.665 μm at 21 days old, 110.08±1.331 μm at 60 days old and 100.51±2.140 μm at 19 months old rats. All three groups had a statistically significant difference compared with each other (p=0.0001). We have detected that mean number of goblet cells as 14.83±0.184 at 21 days old, 24.42±0.239 at 60 days old and 18.70±0.241 at 19 months old rats. All three groups had a statistically significant difference compared with each other (p=0.0001).
Conclusion: The collected data shall provide a reference point for future studies.

Key Words: Ileum; Goblet Cell; Villi; Rat; Histomorphology.






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