Environmental Analysis Health and Toxicology

The Korean Society of Environmental Health and Toxicology (환경독성보건학회)
권호 표지

A Study on Cadmium Accumulations and Histopathological Changes in the Gills of Crucian Carp (Carassius auratus)

카드뮴 축적량과 붕어(Carassius auratus) 아가미 조직 변화의 상관성에 관한 연구

  • 배희경 (국립환경연구원 환경위해성연구과) ;
  • 김은경 (국립환경연구원 환경위해성연구과) ;
  • 남성숙 (국립환경연구원 환경위해성연구과) ;
  • 문창규 (서울대학교 약학부) ;
  • 전성환 (국립환경연구원 환경위해성연구과) ;
  • 나진균 (국립환경연구원 환경위해성연구과) ;
  • 박광식 (국립환경연구원 환경위해성연구과)
  • Published : 2002.03.01
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Abstract

Histopathological changes and cadmium accumulations in the gills were investigated in crucian carp (Carassius auratus) exposed to 0, 0.01, 0.1, 0.5 mg/1 cadmium (Cd) concentrations for 25 days. After 25 days of exposure. cadmium accumulations increased in each of the different exposure concentrations. Histopathological changes in the gills of curcian carp exposed to cadmium included the acidification of mucous cell, the terminal clubbing of lamellae, the hyperplasia of epitherial cell and the curved of secondary lamellae. The similar histopathological changes were observed once the accumulations of cadmium reached the similar levels found in the present study with the different exposure schemes. Also the acidification of mucous cell in gills appeared when cadmium accumulations reached 5 $\mu\textrm{g}$/g and more. These results suggested that histopathological changes in the gills, an appearance of mucous cell acidification. be used to estimate the relation between toxic effect and cadmium accumulations in the gills.

Keywords

References

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