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노래미, 쑤기미, 구실우럭 및 홍감펭 장관 점액질에 대한 조직화학적 연구

Histochemical Studies of the Intestinal Mucosubstances in Agramus agramus, Inimicus japonicus, Epinephelus chlorostigma, and Helirolenus dactylopterus

  • 정길남 (부산대학교 사범대학 과학교육학부 생물교육) ;
  • 조운복 (부산대학교 사범대학 과학교육학부 생물교육)
  • Jeong, Gil-Nam (Biology Education Major, Division of Science Education, College of Education Pusan National University) ;
  • Jo, Un-Bock (Biology Education Major, Division of Science Education, College of Education Pusan National University)
  • 발행 : 2007.12.30

초록

농어목에 속하는 경골어류 4종(노래미, 쑤기미, 구실우럭 및 홍감펭)의 장관 점액질의 조직화학적 성상을 밝히기 위해 peridic acid Schiff (PAS) 반응, alcialn blue (AB) pH 1.0 및 pH 2.5, AB pH 2.5-PAS, aldehyde fuchsin (AF) pH 1.7-AB pH 2.5 및 high iron diamine (HID)-AB pH 2.5 염색을 실시하였다. 장 점막에 있는 주름의 모양은 어종 및 부위에 따라 차이가 있었다. 장의 모든 부위에서 관찰되는 배상세포는 원주세포사이에 위치하고 있으며 그 모양은 구형이거나 타원형이었고 원위장에서 수가 가장 많았다. 구실우럭 중간장 및 원위장과 노래미, 쑤기미 및 홍감펭 장에는 산성점액질과 중성점액질이 나타났으며 산성점액질의 성상은 sialomucin이었다. 구실우럭의 근위장에는 중성점액질만 나타났다. 점액질 양과 성상은 장 부위에 따라 차이가 있었다. 쑤기미의 원위장은 산성점액질과 중성점액질 양이 비슷하였다. 노래미의 장관 모든 부위, 쑤기미의 근위장과 중간장, 구실우럭의 중간장과 원위장, 홍감펭의 원위장에는 산성점액질이 중성점액질보다 더 많았다. 홍감펭의 근위장과 중간장에는 중성점액질이 산성점액질보다 더 많았다.

The conventional histochemical stains were used to study the properties of mucosubstances of the intestine in four teleostean species, i. e., Agramus agramus, Inimicus japonicus, Epinephelus chlorostigma, and Helicolenus dactylopterus, all belonging to the order Perciformes. The following methods were used; periodic acid Schiff (PAS), alcian blue (AB) pH at 2.5, AB pH at 1.0, AB pH at 2.5-PAS, and aldehyde fuchsin (AF) pH at 1.7-AB pH at 2.5 stain. The mucosal folds of intestines show differences in species and regions. Widely distributed in all portions studied, goblet cells situated between cylinderical epithelial cells are round or ovoid in shape. They were most densely distributed in distal intestine. In the middle and. distal intestine of Epinephelus chlorostigma and all regions of intestines of Agramus agramus, Inimicus japonicus, and Helicolenus dactylopterus, the presence of both acidic and neutral mucin was confirmed. The property of acidic mucosubstance was sialomucin. Neutral mucin was only encountered in the proximal intestine of Epinephelus chlorostigma. The amount and property of mucin showed differences in species and regions. In the distal intestine of Inimicus japonicus, the amount of acidic mucin is similar to that of neutral mucin. In all regions of intestine of Agramus agramus, proximal and middle intestine of lnimicus japonicus, middle and distal intestine of Epinephelus chlorostigma, and distal intestine of Helicolenus dactylopterus, acidic mucin occured more frequently than neutral mucin. The proximal and middle intestine of Helicolenus dactylopterus have more neutral mucin than acidic mucin.

키워드

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