[Assessment of pathological changes in fish muscle tissue, forming as a result of exposure to toxic factors in the environment].
Identifieur interne : 001581 ( Main/Merge ); précédent : 001580; suivant : 001582[Assessment of pathological changes in fish muscle tissue, forming as a result of exposure to toxic factors in the environment].
Auteurs : T P Evgen'Eva [Russie] ; E V Kocherezhkina ; I V SemenovaSource :
- Tsitologiia [ 0041-3771 ] ; 2000.
English descriptors
- KwdEn :
- MESH :
- chemical , toxicity : Water Pollutants, Chemical.
- pathology : Muscles.
- Animals, Fishes, Species Specificity.
Abstract
Our investigation of muscle tissue of fishes, inhabiting the regions with unfavorable ecological conditions (the river Volga), permitted to select four types of degenerative changes in muscle tissue. These alterations are associated with both the phylogenetic status of fish species and ecological dispositions of species. Using different methods of investigation several types of muscle destruction were shown. I. Destruction of myofibrillar apparatus (lysis of protofibrils), with sarcolemma remaining intact. II. Destruction of the myofibrillar apparatus, with sarcolemma, T-system, and sarcoplasmic reticulum being disrupted. III. Invasion of muscle fibers by lymphoid cells and macrophages; with sarcolemma being intact. IV. Lysis of sarcolemma by proteolytic enzymes of lymphoid elements; with muscle fibers being disintegrated. The objects of this study were muscle tissues of 8 fish species (Acipenser gueldenstadti, A. stellatus, A. ruthenus, Lucioprerca lucioperca, Esox lucius, Perca fluviatilis, Tinca tinca, Caprinus carpio). The white muscle degeneration followed the patterns of types I and II, while that of red muscles corresponded to types III and IV. White and red muscles of the Chondrostei fishes (sturgeon, stellate, sterlet) undergo destruction more frequently, than muscles of the Holostei fishes (pike, perch, zander, sazan, tench). Degenerative processes of white and red muscles of fish-eating fishes were more obvious than those of herbivorous fishes.
PubMed: 10709249
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These alterations are associated with both the phylogenetic status of fish species and ecological dispositions of species. Using different methods of investigation several types of muscle destruction were shown. I. Destruction of myofibrillar apparatus (lysis of protofibrils), with sarcolemma remaining intact. II. Destruction of the myofibrillar apparatus, with sarcolemma, T-system, and sarcoplasmic reticulum being disrupted. III. Invasion of muscle fibers by lymphoid cells and macrophages; with sarcolemma being intact. IV. Lysis of sarcolemma by proteolytic enzymes of lymphoid elements; with muscle fibers being disintegrated. The objects of this study were muscle tissues of 8 fish species (Acipenser gueldenstadti, A. stellatus, A. ruthenus, Lucioprerca lucioperca, Esox lucius, Perca fluviatilis, Tinca tinca, Caprinus carpio). The white muscle degeneration followed the patterns of types I and II, while that of red muscles corresponded to types III and IV. White and red muscles of the Chondrostei fishes (sturgeon, stellate, sterlet) undergo destruction more frequently, than muscles of the Holostei fishes (pike, perch, zander, sazan, tench). Degenerative processes of white and red muscles of fish-eating fishes were more obvious than those of herbivorous fishes.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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