999 resultados para Bund der Unbedingten.


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Shielding the organism against harmful effects from the environment is one of the most important tasks of the outer covering of all animals. The epidermis of primarily aquatic organisms and the epithelia of organs which are exposed to water, such as the digestive or the urinary system, possess a film of glycoproteins and mucopolysaccharides, the glycocalyx. This short paper examines the relationship of the mucus cells with the glycocalyx.

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The osmotic pressure of the perivitelline fluid and the yolk of trout (Salmo trutta) eggs were measured separately by the Drucker-Schrein method. The permeability of the egg membrane and the variations in the osmotic pressure of the eggs when placed in salt solutions were also investigated.

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Im Rahmen unserer Untersuchungen zum Befall von Seefischen mit Nematodenlarven und deren Abtötung unter industriellen Verarbeitungsbedingungen wurden während der 88. Reise des FFS "Walther Herwig" vom 23.1.88-17.2.88 u.a. Seelachs (Köhler; Pollachius virens) verschiedener Größenklassen untersucht.