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Preliminary researches on the characterization of the glycoconjugates in the oviduct of Rana esculenta complex during its reproductive cycle.

Biochemical investigations were carried out on the oviduct of Rana esculenta. It was demonstrated that in the oviduct of Rana esculenta there is a heteropolysaccharide formed by sulphated acid glycoconjugates and neutral glycoproteins. The presence and the functional role of glucidic components are discussed and compared to previous histochemical data.