Open AccessHistological analysis of state of tissues in internal organs of black-backed shad <i>Alosa kessleri kessleri</i>
Author(s) -
Maria Pavlovna Grushko,
Nadezhda Nickolaevna Fedorova,
Alina A. Aitimova
Publication year - 2017
Publication title -
izvestiâ tinro/izvestiâ tihookeanskogo naučno-issledovatelʹskogo rybohozâjstvennogo centra
Language(s) - English
Resource type - Journals
eISSN - 2658-5510
pISSN - 1606-9919
DOI - 10.26428/1606-9919-2017-188-155-161
Subject(s) - connective tissue , edema , pathology , biology , inflammation , epithelium , gill , necrosis , anatomy , medicine , fishery , immunology , fish <actinopterygii>
Internal organs of black-backed shad are examined by histological analysis. Wide range of pathologies is found, which are supposedly caused by chronic environmental pollution. The pathologies of tissue and cellular levels have common features but various symptoms, as edema, hemorrhage, necrosis, inflammation, connective tissue proliferation, proliferative changes in the epithelium. The gills, liver; kidney, and intestines are the most sensitive to negative impacts of environments.