Data/hora: 05/06/2024 05:42:30

Provedor de dados: | 56
País: | Brazil
Título: | Morphometry and acetylcholinesterase activity of the myenteric plexus of the wild mouse Calomys callosus
Data: | 1997-05-01
Ano: | 1997
Palavras-chave: | Myenteric plexus; Wild mouse; Calomys callosus; Morphometry; Histochemistry.
Resumo: | The myenteric plexus of the digestive tract of the wild mouse Calomys callosus was examined using a histochemical method that selectively stains nerve cells, and the acetylcholinesterase (AChE) histochemical technique in whole-mount preparations. Neuronal density was 1,500 ± 116 neurons/cm2 (mean ± SEM) in the esophagus, 8,900 ± 1,518 in the stomach, 9,000 ± 711 in the jejunum and 13,100 ± 2,089 in the colon. The difference in neuronal density between the esophagus and other regions was statistically significant. The neuron profile area ranged from 45 to 1,100 µm2. The difference in nerve cell size between the jejunum and other regions was statistically significant. AChE-positive nerve fibers were distributed within the myenteric plexus which is formed by a primary meshwork of large nerve bundles and a secondary meshwork of finer nerve bundles. Most of the nerve cells displayed AChE activity in the cytoplasm of different reaction intensities. These results are important in order to understand the changes occurring in the myenteric plexus in experimental Chagas' disease
Tipo: | Info:eu-repo/semantics/other
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X1997000500009
Editor: | Associação Brasileira de Divulgação Científica
Relação: | 10.1590/S0100-879X1997000500009
Formato: | text/html
Fonte: | Brazilian Journal of Medical and Biological Research  v.30 n.5 1997
Fonte: | info:eu-repo/semantics/openAccess