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MORPHOMETRICAL AND STEREOLOGICAL ANALYSIS OF THE SUPERIOR CERVICAL GANGLION OF Rattus norvegicus SUBMITTED TO CHRONIC TREATMENT WITH CORTISOL International Journal of Morphology
Cortez,C. M.; Costa,W. S.; Babinski,M. A.; Chagas,M. A..
The present work investigates the corticoid action on the growth of the superior cervical ganglion of the rat and describes the cortisol effect during early stages of development. The study was based on morphometric and stereological analysis of the perikarya. Eight rats were treated intraperitoneally with cortisol (1mg/Kg/day) during 36 days. Treatment was initiated in the 8th day after birth and was withdrawn one day before the sacrifice. There was a significant difference (<=P0,05) for the neural mean diameter between the control group (16.78 ± 1.11mm) and treated animals (15.84 ±0.99mm). The decrease of perikarya neuronal diameter was also demonstrated by stereological methods. Morphometrical findings may suggest alterations in superior cervical...
Tipo: Journal article Palavras-chave: Morphometry; Stereology; Glucocorticoid; Sympathetic ganglion; Rat.
Ano: 2003 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022003000300006
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Histochemical Features of the Extracellular Matrix in Rattus rattus norvegicus Otic Ganglion International Journal of Morphology
Chagas,M. A.; Babinski,M. A.; Abidu-Figueiredo,M.; Costa,W. S..
The otic ganglion is a cranial component of the parasympathetic division of the autonomic nervous system (ANS). Similar to other parasympathetic ganglia, otic ganglion presents multipolar neurons that are completely surrounded by satellite cells and intercellular substance as well, which allow us to use this ganglion as a good experimental model for studying the relationship neuron / extracellular matrix. We have studied rat otic ganglion in 10 animals through light microscopy. After routine histological methods, 5 µm sections were obtained and coloured by Gomori`s trichrome, periodic acid-Schiff (PAS), Alcian Blue pH 2.5 and pH1.0, acetylation + PAS, acetylation + deacetylation + PAS, acid hydrolysis + PAS, phenylhydrazine + PAS and thiosemicarbazide +...
Tipo: Journal article Palavras-chave: Rat; Otic ganglion; Autonomic nervous system; Histochemistry.
Ano: 2006 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022006000100015
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LA RELACIÓN DE LOS ESTUDIANTES CON EL CADÁVER EN EL ESTUDIO PRÁCTICO DE ANATOMÍA: LA REACCIÓN E INFLUENCIA EN EL APRENDIZAJE International Journal of Morphology
Babinski,M. A.; Sgrott,E. A.; Luz,H. P.; Brasil,F. B.; Chagas,M. A.; Abidu-Figueiredo,M..
La observación y manipulación del cadáver en las aulas de Anatomía, todavía son métodos que contribuyen de manera eficiente en la comprensión de la forma, espacio y distancia de las estructuras anatómicas. Sin embargo, el contacto con el cadáver parece provocar diferentes tipos de reacciones en los estudiantes. El objetivo de este trabajo fue identificar las reacciones de los alumnos del Área de la Salud frente al primer contacto con el cadáver, en las aulas de trabajos prácticos de Anatomía. El estudio también analiza la influencia de esta actividad en el proceso de enseñanza-aprendizaje de Anatomía. Al final del semestre lectivo, fueron entrevistados aleatoriamente 395 alumnos matriculados en los cursos del Área de la Salud, que cursaron la disciplina de...
Tipo: Journal article Palavras-chave: Anatomía Humana; Cadáver; Estudiantes; Enseñanza-aprendizaje.
Ano: 2003 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022003000200007
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