Document Detail

Branchial pathogenesis in a freshwater fish, Puntius conchonius Ham., chronically exposed to sublethal concentrations of cadmium.
MedLine Citation:
PMID:  3378535     Owner:  NLM     Status:  MEDLINE    
Effects of sublethal concentrations, 630 and 840 micrograms/liter (0.05 and 0.066 fractions of the 96-hr LC50), of cadmium chloride on the gills of a freshwater fish, Puntius conchonius, were examined light microscopically during a 12-week exposure. The secondary gill lamellae showed disrupted epithelium, necrosis, accumulation of cellular debris, capillary congestion, and wilting of the pillar cell system. Hypertrophy and hyperplasia of chloride cells as well as partial or complete fusion of secondary lamellae also occurred in the Cd-exposed fish. Branchial lesions together with coagulation film anoxia are likely to result in serious respiratory distress and related tissue hypoxia.
T S Gill; J C Pant; H Tewari
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Ecotoxicology and environmental safety     Volume:  15     ISSN:  0147-6513     ISO Abbreviation:  Ecotoxicol. Environ. Saf.     Publication Date:  1988 Apr 
Date Detail:
Created Date:  1988-07-27     Completed Date:  1988-07-27     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7805381     Medline TA:  Ecotoxicol Environ Saf     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  153-61     Citation Subset:  IM    
Department of Zoology, Faculty of Science, Kumaun University, Naini Tal, India.
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MeSH Terms
Cadmium / toxicity*
Fish Diseases / chemically induced*
Gills / drug effects*
Reg. No./Substance:

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