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KMID : 0365819750150010175
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Journal of Pusan Medical College
1975 Volume.15 No. 1 p.175 ~ p.186
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Histochemical Studies on the Acid Mucosubstances in the Brunner´s Glands and Goblet Cells of the Small Intestinal Mucosa in Some Mammals
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Abstract
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This studies were performed in order to investigate the histochemical properties and composition of the acid mucosubstances in the Brunner´s glands and goblet cells of small intestine of some mammals
The specimens used in this study obtained from the duodenum, jejunum and ileum of 6 species of adult mammals, i.e., guinea pig, rabbit, rat, mouse, cat and dog.
The specimens were stained with alcian blue(pH 1.0 and 2.5), alcian blue(pH 1.0)-PAS, aldehyde fuchsin(pH 1.7)-alcian blue(pH 2.5) and alcian blue(pH 0. 5)-alcian yellow(pH 2.5).
The results obtained were as follows:
1. The acid mucasubstances in the Brunner´s glands were recognized only. in the duodenum of the guinea pig and rabbit. In the guinea pig duodenum the glands were composed of two types of acini in approximately equal number. Some of the acini contained much more sulfated mucin but the others were nonsulfated. In the rabbit however, the most acini were consisted only of non-sulfated mucins.
2. The histochemical property and concentration of the acid mucins in the goblet cells were similar in different regions of the intestine however, not similar in different species of the animal.
3. The acid mucins in the duodenal goblet cells were identified sulfated ones in the guinea pig and cat whereas those in the mouse and rabbit were combined of both sulfated and non-sulfated and those in the rat and dog were non-sulfated.
4. The acid mucins in the jejunal goblet cells were recognized as sulfated ones in the guinea pig and rabbit while those in the mouse and cat were combined of both sulfated and non-sulfated and those is the rat and dog were non-sulfated.
5. The acid mucins in the ileal goblet cells of the guinea pig and rabbit were identified sulfated ones while those of the other species namely mouse, rat, cat and dog were combined of both sulfated and non-sulfated. It is to note that the mucins in the goblet cells of the mouse, cat and dog were predominantly sulfated whereas those of the rat were mainly non-sulfated.
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