Histological and histochemical characterization of the lingual glands of the Philippine water buffalo, Bubalus bubalis (Linnaeus, 1758) (Artiodactyla:Bovidae)
2011
Maala, C.P. | Llanto, E.F.
This is the first report on the histological and histochemical characteristics of the lingual glands in Philippine water buffaloes. Well-developed lingual glands were found in the lamina propria-submucosa and in between muscle bundles of the tongue. The glands in the lamina propria-submucosa were serous, mucous and mixed (but predominantly serous). The glands near vallate papillae were serous. There were no glands associated with the fungiform papillae. The glands in between muscle bundles were mucous. The duct system of the lingual glands consisted of numerous intralobular and interlobular (large excretory) ducts. No striated and intercalated ducts were observed. The excretory ducts of the serous glands in the lamina propria-submucosa opened into the cleft surrounding the vallate papillae. The connective tissue framework was made up mainly of collagen fibers. No elastic fibers were observed. The secretory units of the mucous lingual glands reacted positively to Humason's mucarmine, PAS, alcian blue pH 1.0 and 2.5 strains indicating the presence of mucin, neutral mucopolysaccharides, sulfated mucopholysaccharides weak acidic mucopolysaccharides, respectively. The present findings on the histology and histochemistry of the lingual glands of the Philippine water buffaloes conform to earlier reports on the palatine and buccal glands of the same animal.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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