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Histological features and histochemistry of the mucous glands in ventral skin of the frog (Rana fuscigula)

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dc.contributor.authorEls, Willem J.es
dc.contributor.authorHenneberg, Renataes
dc.date.accessioned2011-02-01T08:44:45Z
dc.date.available2011-02-01T08:44:45Z
dc.date.issued1990
dc.description.abstractThe glycoconjugate components of secretory granules were analyzed in cells of mucous glands in ventral skin from Rana fuscigula. The analysis was done with standard histochemical methods on semithin glycol methacrylate-embedded tissues. The staining patterns in semithin sections were comparable to those using paraffin-embedded tissue while the cytological detail was better preserved. The mucous glands contained at least two different types of secretory cells lining the lower two-thirds of the mature gland: a principal cell type filled with dense staining secretory granules and a solitary type containing paler staining, globular secretory granules. The principal type of cell contained variable amounts of acid glycoconjugates; predominantly carboxylated but also variably carboxylated and weakly sulfated glycoproteins. Other secretory cells contained mainly neutral glycoproteins. The results indicated that the mucus is a heterogeneous substance and that one cell type may produce different secretory products. We suggested that the variability in histochemical staining might be related to the sequence of biosynthesis of the secretory granule.es
dc.formatapplication/pdfes
dc.format.extent6es
dc.identifier.issn0213-3911es
dc.identifier.urihttp://hdl.handle.net/10201/18173
dc.languageenges
dc.publisherMurcia : F. Hernándezes
dc.relation.ispartofHistology and histopathologyes
dc.rightsinfo:eu-repo/semantics/openAccesses
dc.subjectMucous glandses
dc.subjectHistochemistryes
dc.subject.otherCDU::6 - Ciencias aplicadas::61 - Medicinaes
dc.titleHistological features and histochemistry of the mucous glands in ventral skin of the frog (Rana fuscigula)es
dc.typeinfo:eu-repo/semantics/articlees
dspace.entity.typePublicationes
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Histology and histopathology Vol. 5, nº 3 (1990)