2003
DOI: 10.1590/s0004-282x2003000200011
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Regional differences in the number and type of myenteric neurons in the descending colon of rats

Abstract: -The purpose of this study was to analyze the neuronal density of the myenteric plexus of the intermediate and antimesocolic regions of the descending colon of rats. Whole-mounts were stained with three different techniques of neuronal evidenciation. Through counts of the number of neurons in an area of 6.64 mm 2 under light microscopy, we found 1,271 ± 227.54 neurons with Giemsa in the intermediate region and 1,234 ± 225.92 neurons in the antimesocolic region; with the NADH-diaphorase technique we found 530 ±… Show more

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Cited by 13 publications
(18 citation statements)
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“…Biological Sciences Maringá, v. 26, no. 2, p. 251-256, 2004), 35,1% (Sant'Ana et al, 1997, 35% (Brandão et al, 2003), 14,8% (Araújo et al, 2003 Entretanto, em outros experimentos, foram encontradas reduções significantes no número de neurônios mioentéricos de ratos do grupo experimental (Torrejais et al, 1995;Meilus et al, 1998;Gomes, 1999;Brandão et al, 2003;), o que leva a depreender que a diferença pode estar relacionada ao tipo de desnutrição empregado pelos diferentes autores e também ao período de vida do animal que foi submetido ao processo de desnutrição.…”
Section: Discussionunclassified
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“…Biological Sciences Maringá, v. 26, no. 2, p. 251-256, 2004), 35,1% (Sant'Ana et al, 1997, 35% (Brandão et al, 2003), 14,8% (Araújo et al, 2003 Entretanto, em outros experimentos, foram encontradas reduções significantes no número de neurônios mioentéricos de ratos do grupo experimental (Torrejais et al, 1995;Meilus et al, 1998;Gomes, 1999;Brandão et al, 2003;), o que leva a depreender que a diferença pode estar relacionada ao tipo de desnutrição empregado pelos diferentes autores e também ao período de vida do animal que foi submetido ao processo de desnutrição.…”
Section: Discussionunclassified
“…Essa forma de preparação da ração baseou-se em modelos descritos na literatura (Sant'Ana et al, 2001, Araújo et al, 2003.…”
Section: Methodsunclassified
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“…However, given that there were no significant differences between them, their data were grouped together because, in the duodenum, the distributions of muscle fibres in circular and longitudinal strata as well as the neuronal distribution are homogenous throughout the intestinal circumference (Santer 1994, Araújo et al 2003, Natali et al 2003.…”
Section: Effect Of Ascorbic Acid On Myenteric Neurons Of Ratsmentioning
confidence: 99%