Il sacco olfattorio delle Lampetra italiane. - II. Osservazioni istochimiche
Atti della Accademia nazionale dei Lincei. Rendiconti della Classe di scienze fisiche, matematiche e naturali, Série 8, Tome 42 (1967) no. 3, pp. 435-438
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The authors have studied the histochemistry of the mucus secretion of the olfactory epithelium of two species of Italian lampreys, Lampetra zanandreai (Vlad.) and L. planeri (Block). The first species shows a very far-reaching reduction of the olfactory sac, a reduction that is not present in the latter (Mangia e Palladini, 1967). The mucus secretion is characterized by the presence of hyaluronic acid and chondroitin sulfates localized in the distal extremity of the olfactory lamellae; There is no difference either between the two species or between the adult and the metamorphosing ammocoete of the same species. The significance of the observations is discussed.
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