Liver histology in chronic metribuzin poisoning of the guinea-pig. 1986

J Tomaszewski, and K Zwierz, and B Musiatowicz, and C Jezyna
1st Department of Laboratory Diagnostics, District Hospital, BiaƂystok, Poland.

Forty male guinea-pigs weighing 400-600 g, 8 months old, were given metribuzin directly into the gastric lumen over a period of 30 days (20 animals) or 90 days (20 animals), 6 times a week. The intoxicated animals showed congestion and obliteration of the trabecular structure of the liver. Acidophilic and vacuolar degeneration of the liver cells with signs of necrosis were also observed. Histochemical tests revealed a poorer staining for glycogen and succinic dehydrogenase and intensification of the alkaline and acid phosphatases reaction. The above findings indicate a progressive degeneration due to metribuzin of different organelles of the liver cells including nuclei, mitochondria, lysosomes, microvilli and the cytoplasm.

UI MeSH Term Description Entries
D008099 Liver A large lobed glandular organ in the abdomen of vertebrates that is responsible for detoxification, metabolism, synthesis and storage of various substances. Livers
D008297 Male Males
D009336 Necrosis The death of cells in an organ or tissue due to disease, injury or failure of the blood supply.
D006168 Guinea Pigs A common name used for the genus Cavia. The most common species is Cavia porcellus which is the domesticated guinea pig used for pets and biomedical research. Cavia,Cavia porcellus,Guinea Pig,Pig, Guinea,Pigs, Guinea
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor
D014227 Triazines Heterocyclic rings containing three nitrogen atoms, commonly in 1,2,4 or 1,3,5 or 2,4,6 formats. Some are used as HERBICIDES. Triazine,Benzotriazines

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