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1.
Acta cir. bras ; Acta cir. bras;18(2): 76-80, mar.-abr. 2003. ilus
Article de Anglais, Portugais | LILACS | ID: lil-331117

RÉSUMÉ

PURPOSE: To study the integration of the external layer of the calvaria's frontal bone to repair craniofacial skeleton injuries in primates. METHODS: Ten Rhesus monkeys underwent surgery in two stages. In the first stage, four bone fragments were harvested from the external layer of the calvaria's frontal bone and were transplanted two on the calvaria's frontal bone and the other two onto the maxillary bone, by onlay and inlay. Seven weeks thereafter, four fragments were extracted from the transplantated area. The animals were not sacrificed. RESULTS: Macroscopic examination reveals bone regeneration, the areas onto which the bone fragments were transplantated having consequently increased in volume. The results of optical and electron microscopy is being carried out.


Sujet(s)
Animaux , Mâle , Femelle , Crâne/traumatismes , Fractures du crâne , Transplantation osseuse/méthodes , Ostéosynthèse , Macaca mulatta , Régénération osseuse/physiologie
2.
Rev. Salusvita (Impr.) ; 9(1): 71-80, 1990. ilus, tab
Article de Portugais | LILACS | ID: lil-120671

RÉSUMÉ

Experimentalmente reproduziu-se em láparos a desnutriçäo proteíca, relacionando-a com ganho ponderal e mortalidade. Os animais foram observados durante as fases de aleitamento e após desmame. Um grupo recebeu raçäo contendo 16,2% de proteína e considerado como controle normoprotéico. Outro, recebeu raçäo contendo 9,7%, sendo o grupo hipoprotéico. Após o desmame, parte dos láparos pertencentes a cada grupo permaneceu com a mesma raçäo e parte pssou para a outra. O peso final, o ganho de peso e a taxa de mortalidade intra e entre grupos foram submetidos aos testes de Tukey e x*, com nível de rejeiçäo adotado de 5%. Os resultados demonstram que a alimentaçäo hipoprotéica precoce causa reduçäo de peso e maior taxa de mortalidade, significativas quando comparadas ao controle normoprotéico, permanecendo esses parâmetros mesmo quando restabelecida a alimentaçäo normal


Sujet(s)
Animaux , Mâle , Femelle , Lapins , Lapins/croissance et développement , Malnutrition protéinocalorique , Protéines alimentaires/administration et posologie , Prise de poids , Études cas-témoins , Malnutrition protéinocalorique/mortalité , Répartition aléatoire , Modèles animaux de maladie humaine
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