관상조류 장관점막내 점액질의 성상에 관한 조직화학적 연구 = Histochemical Study on the Properties of Mucosubstances in the Intestinal Mucosa of the Ornamental Birds
This study is performed in attempt to clarify the histochemical properties and compositions of the mucosubstances in the goblet cells of the intestinal mucosa of ornamental birds.
The specimens used in this study were obtained from the small and large intestines of 5 species of ornamental birds, i. e, society finch, java sparrow, zebra finch, canary and parakeet.
The mucosubstances were stained with alcian blue pH 2.5, alcian blue pH 1.0, periodic acid schiff(PAS), alcian blue pH 2.5-PAS, alcian blue pH 1.0-PAS and aldehyde fuchsin pH 1.7-alcian blue pH 2.5 method.
The results obtained were as follows:
1. The histochemical compositions of mucosubstances on the striated border in the intestinal mucosa, the histochemical compositions of mucosubstances of the striated border presented a refractile bilaminar appearance were different in each species. In the small intestine, the inner layer contained mostly neutral, and the outer edge mostly strong sulfated, mucins.
And the former being relatively more prominent than the latter. The neutral mucins in the zebra finch, canary and parakeet contained large amounts, and those in the society finch java sparrow small amount, but the acid mucins in the java sparrow was traces, and those of the other experimental animals contained small amounts.
The striated border of the large intestine was less conspicuous than that of the small intestine and contained small or large amounts of acid and small amounts of neutral mucins. The canary were equal to both neutral and sulfated mucins, but in the other experimental animals, sulfated mucins were more prominent than neutral mucins.
2. The histochemical compositions and amounts of mucosubstances in the duodenal goblet cells was in considerable variation in each species. That is, the acid mucins were more prominent than the neutral mucins in the goblet cells of duodenal mucosa of all species examined. The society finch and zebra finch contained small or large amounts of the acid mucins, and the other species examined minimal or small amounts of those.
The former species amounts of acid mucins were more prominent than the latter species.
In contrast, in the canary, contained small amounts of neutral mucins, were more prominent than the other species examined minimal amounts of those.
In villi and crypts of the parakeet and villi of the zebra finch, were present one type of goblet cells which secrete strong sulfated mucins. But in villi and crypts of the other species examined, were present two types of goblet cells : Ones strong sulfated and nuutral mucins and others strong sulfated mucins, and the formers were much more than the latters.
3. The histochemical compositions and amounts of mucosubstances in the jejunal goblet cells was very complication and considerable variation in each species examined. That is, the acid mucins were more prominent than the neutral mucins in the goblet cells of jejunal mucosa of all species examined. The zebra finch contained small or large amounts of the acid mucins, and the other species examined small or minimal amounts of those.
The former species amounts of acid mucins were more prominent than the latter species.
But the zebra finch contained large amounts of the neutral mucins and the canary small amounts of those. The other species examined, on the other hand, were present minimal or small amounts of the neural mucins.
In villi and crypts of the parakeet, were present one of goblet cells which secrete only strong sulfated mucins, and also in those of the canary, one type of goblet cells which strong sulfated and neutral mucins. But in villi of the java sparrow, were present two types, of goblet cells: one nonsulfated and neutral mucins and others weak sulfated and neutral ones, and the formers were much more than the letters. In crypts of the above species, were present one type of goblet cells which secrete weak sulfated and neutral mucins. In contrast, in villi of the society finch, were present two types of goblet cells: ones nonsulfated and neutral mucins and others strong sulfated and neutral ones, but in crypts of the above species, two types of goblet cells, ones strong sulfated mucins and others strong sulfated and neutral ones. The formers were much more than the latters, respectively.
In villi and crypts of the zebra finch, on the others hand, were present there types of goblet cells: ones strong sulfared mucins and others strong sulfared and neutral ones, and anothers nonsulfated and neutral ones. The former two types were much more than the another types.
4. The histochemical compositions and amounts of mucosubstances in the ileal goblet cells was different in each species examined and regions. That is, the acid mucins were more prominent than the neutral mucins in the goblet cells of ileal mocosa of all species examined. The society finch and parakeet contained small or large amounts of the acid mucins, and the other species examined small or minimal amounts of those. The former species amounts of acid mucins were much more than the latter species. In contrast, the java sparrow, zebra finch and canary contained small amounts of neutral mucins and the other species examined were not demonstrated.
In villi and crypts of the society finch and parkeet, were present one type of goblet cells which secrete only strong sulfated mucins, and also in those of the java sparrow and zebra finch, one type of goblet cells which strong sulfated and neutral mucins. But in those of the canary, on the other hand, were present two types of goblet cells: ones strong sulfated mucins and others strong sulfated and neutral ones.
5. The histochemical compositions and amounts of mucosubstances in the rectal goblet cells was in considerable variation in each species examined and regions. That is, the acid mucins were prominent than the neutral mucins in the goblet cells of rectal mucosa of all species examined as in the small intestine.
The java sparrow, zebra finch and parakeet contained small or large amounts of the acid mucins and the other species examined small amounts of those.
In contrast, the society finch and canary contained small amounts of the neutral mucins, and in the java sparrow and zebra finch minimal amounts of those, but the parakeet were not demonstrated.
In surfaces and crypts of the parakeet, were demonstrated one type of goblet cells which secrete only strong sulfated mucins, and also in crypts of the society finch and java sparrow, one type of goblet cells which strong sulfated and neutral mucins. In contrast, in surfaces of the society finch, and in surfaces and crypts of the zebra finch, were present two types of goblet cells: ones strong sulfated and neutral mucins and others weak sulfated and neutral ones. The formers were much more than the latters. In surfaces of the java sparrow, were demonstrated two types of goblet cells: ones strong sulfated mucins and others strong sulfated and neutral ones.
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