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Mosaic lectin labelling in the quail collecting ducts.
Histol Histopathol
April 1995
Dipartimento di Biologia M.C.A., Università di Camerino, Italy.
Morphological and histoenzymological differences have been observed between intercalated and principal cells of the quail Coturnix coturnix japonica collecting ducts. The present study was designed to shed light on the lectin affinity of the collecting duct cells within cortex and medulla by the use of HRP-labelled lectins combined with glycosidase degradation. Binding of PNA and RCA-I lectins consequent to enzymatic release of sialic acid revealed abundant sialylated carbohydrate moieties within the principal cell cytoplasm.
View Article and Find Full Text PDFStructure and histochemistry of the sublingual salivary glands of the one-humped camel (Camelus dromedarius).
Rev Elev Med Vet Pays Trop
February 1992
Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia.
Morphometric, histological and histochemical studies were carried out on the sublingual salivary glands of the Arabian camel (Camelus dromedarius). The glands are of the tubulo-acinar type and consist of many lobules that are composed of two types of cells, mucoserous and seromucous. The mucoserous cells form the main secretory units of the gland but seromucous cells are much more seldom and form associated acini.
View Article and Find Full Text PDF[Functional and morphologic investigations of the human adrenal cortex in various diseases].
Probl Endokrinol (Mosk)
September 1989
The paper is devoted to investigations of the human adrenal cortex on autopsy material obtained 1 h after death. The purpose was to study the features of 3 cortical zones in some diseases with relation to sex and age. Quantitative histoenzymological analysis was used, metabolic indices of corticocytes and the cortical microvascular wall in 3 functionally differentiated zones (glomerular, fascicular and reticular) were estimated.
View Article and Find Full Text PDFThe histoenzymological studies of ATPase and SDH enzymes in rats' gastric mucosa after a single 90 s administration of 96% ethanol proved considerable changes in the enzymes activity in course of injury and subsequent regeneration of mucosa.
View Article and Find Full Text PDFArticle Synopsis
- The study examined 89 patients (68 males, 21 females) aged 14 to 59 with chronic viral hepatitis, finding 36% had hepatitis B.
- Life-time liver biopsies revealed 39 patients had chronic persistent hepatitis (CPH) and 50 had chronic active hepatitis (CAH).
- The analysis highlighted significant differences in enzyme activity and hepatocyte pigment levels between CAH and CPH patients, suggesting these findings could help assess chronic viral hepatitis even with limited biopsy data.
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