Light and scanning electron microscopic study of the palatine mucosa of nine-banded armadillo (Dasypus novemcinctus)
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Swets Zeitlinger Publishers
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The three-dimensional structure of the lamina propria of the hard and soft palatine mucosa of the nine-banded armadillo was observed by scanning electron microscopy. Sodium hydroxide cell maceration method was applied to demonstrate the architecture of the connective tissue papillae. The palatine mucosa of the armadillo had a triangular shape and measured appr. 6.5 cm length. The hard palate showed 9 transverse palatine plicae while the soft palate was smooth. In the 10% NaOH treated specimens, the lamina propria of the hard palatine mucosa showed numerous connective tissue papillae with a general finger-like shape. These structures were composed by a meshwork of collagen fibers arranged in several directions. on the other hand, the connective tissue papillae of the soft palate mucosa were scattered and small. Numerous openings of glandular ducts with circular or elliptical shape were located in the interplicae area and in the soft palate.
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collagen fibers, palate, lamina propria
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Inglês
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European Journal of Morphology. Lisse: Swets Zeitlinger Publishers, v. 36, n. 2, p. 97-104, 1998.
