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Changes of taste bud and fungiform papillae after 60Co radiation in rat / 华西口腔医学杂志
West China Journal of Stomatology ; (6): 510-512, 2004.
Artigo em Chinês | WPRIM | ID: wpr-330006
ABSTRACT
<p><b>OBJECTIVE</b>To observe the morphological changes and the regenerating ability of the fungiform papillae and taste buds after 60Co radiation with clinical doses in rats.</p><p><b>METHODS</b>The heads, faces and necks of 30 SD rats were radiated with a large dose and one time of 60Co in the clinical radiation. The general living condition and the number and shape of the fungiform papillae and taste buds of the tongues were observed after the radiation in rats.</p><p><b>RESULTS</b>In the group of 60Co radiation, the animals had wilting, decreasing appetite, losing weight. The heads, faces and necks of animals appeared redness, peeling of hair, increasing of secretions in 5 days after the 60Co radiation. The changes reached the summit in 10 days and the general living condition of the animals recovered in 60 days. The fungiform papillae and taste buds of the animals appeared degeneration, atrophy and collapsing in 5 days after the 60Co radiation. The injuries reached the summit in 10-20 days and the fungiform papillae and taste buds regenerated partially, and the some atrophied fungiform papillae and taste buds were not regenerated in 60 days.</p><p><b>CONCLUSION</b>The damage to fungiform papillae and taste buds of tongue following the 60Co radiation with the clinical doses was very serious. The damaged fungiform papillae and taste buds can regenerate partially, but not completely.</p>
Assuntos
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Patologia / Efeitos da Radiação / Lesões Experimentais por Radiação / Regeneração / Papilas Gustativas / Língua / Ratos Sprague-Dawley Limite: Animais Idioma: Chinês Revista: West China Journal of Stomatology Ano de publicação: 2004 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Patologia / Efeitos da Radiação / Lesões Experimentais por Radiação / Regeneração / Papilas Gustativas / Língua / Ratos Sprague-Dawley Limite: Animais Idioma: Chinês Revista: West China Journal of Stomatology Ano de publicação: 2004 Tipo de documento: Artigo