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Título

Histological and histochemical observations in the stomach of the Senegal sole, Solea senegalensis

AutorArellano, Juana M.; Storch, V.; Sarasquete, Carmen
Palabras claveCarbohydrates
Proteins
Histochemistry
Solea senegalensis
Fecha de publicación2001
EditorUniversidad de Murcia
CitaciónHistology and Histopathology (Cellular and Molecular Biology ) 16(2): 511-521 (2001)
ResumenAn histological and histochemical study was conducted on the stomach of adult Senegal sole, Solea senegalensis specimens. The stomach was made up of four distinct layers: mucosa, lamina propria-submucosa-, muscularis and serosa. Surface epithelial, glandular and rodlet cells were present in the mucosa. Cells of the columnar epithelium contained a basa1 nucleus. Numerous mitochondria, granular endoplasmic reticulum and Golgi apparatus consisting of severa1 parallel cisternae and vesicles were observed in the cytoplasm of these cells. The lysosomes were small, round and dense. The gastric glands were numerous in the pyloric and fundic regions but absent in the cardiac stomach. These glands were formed by two cell-types: light and dark cells. The light cells were characterised by numerous mitochondria, while dark cells had slightly fewer mitochondria and a tubulo-vesicular system. Rodlet cells similar to those observed in other teleostean fish were present among the epithelial cells. Although the epithelial cells of the mucosa contained a weak presence of neutral and acid mucopolysaccharides/mucosubstances, these substances were abundant in the lamina propria-submucosa. Proteins rich in arginine, lysine, cysteine and cystine were rarely present in the mucosa and lamina propriasubmucosa of stomach, while proteins rich in tyrosine were abundant in these layers. Acid phosphatase, and ATP-ase (pH 7.2 and 9.4) activities were detected in the mucosa and lamina propria-submucosa. Alkaline phosphatase activity was not detected.
Descripción11 páginas, 10 figuras, 4 tablas.
Versión del editorhttp://revistas.um.es/hh/article/view/124401
URIhttp://hdl.handle.net/10261/43290
ISSN0213-3911
1699-5848
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