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Histology

IRIS Biomiljø has expertise in the field of histology, the microscopic study of tissues of living organisms. We use histological methods in environmental monitoring as well as in laboratory experiments. -
Histological techniques, such as histochemistry and immunohistochemistry, make it possible to observe pathologic effects due to pollutants and other stress factors. A histopathological analysis of gonads may for instance reveal if eggs are not developing normally.
By looking at the structure of digestive glands in mussels, it is possible to follow the metabolic activity, especially related to feeding conditions. Digestive gland alterations reflect disturbances at the molecular level and contribute to understanding the condition of the whole animal.

In 2006 Biomiljø started an Internal Strategic Program (ISP): “Histology, histopathology and genotoxicity: developing new techniques for use in biomonitoring”. The project focus on developing and establishing techniques for invertebrate histopathology and genotoxicity. Bivalves (e.g. Mytilus edulis, Pecten maximus, and Chlamys islandica) and crustaceans (Pandalus borealis) are the prioritized groups of animals, but methods will also be established for important marine fish species like the Atlantic cod and polar cod (Arctic). Read more


Normal gills of Atlantic cod




Aneurysms in gills of Atlantic cod



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