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  • Title: [RELATIONSHIPS IN THE "NORTHERN FULMAR (FULMAR US GLACIALIS)--TETRABOTHRIUS MINOR (CESTODA: TETRABOTHRIIDAE)" SYSTEM: PHYSIOLOGICAL ASPECTS].
    Author: Kuklina MM.
    Journal: Parazitologiia; 2015; 49(6):433-43. PubMed ID: 27055330.
    Abstract:
    Relationships between the northern fulmar (Fulmarus glacialis L., 1761) and cestodes Tetrabothrius minor Loennberg, 1893 (Cestoda: Tetrabothriidae) were studied. The results of calculation of the number of tapeworms in different parts (proximal, medial and distal) of bird intestines are represented. Parameters of protein metabolism in the northern fulmar and cestodes T. minor were investigated. Activity of proteases in different parts of northern fulmar intestine and in the strobila of T. minor was determined. Digestion processes occurring on digestive-absorptive surfaces of the intestine of the northern fulmar and of cestodes were studied. Biochemical indices of blood plasma of the northern fulmar were analyzed in relation to the intensity of invasion and the stage parasite maturation. The highest indices of the invasion of the northern fulmar with T. minor were recorded in the proximal part if the intestine. It was shown that the preferred localization of tapeworms in the proximal department of the intestine was determined by abundance of food and high activity of digestive enzymes in this place. Active hydrolysis of proteins in the intestine of the northern fulmar and on tegument surfaces of T. minor occurred mainly during the process of cavernous digestion. To a greater extent, the physiological state of the northern fulmar depended on the intensity of invasion and on the maturation stage of tapeworms.
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