7 research outputs found
Characterization of the myenteric neuronal population and subpopulation of the duodenum of adult wistar rat fed with hypoproteic chow
Full text linkRegional differences in the number and type of myenteric neurons in the descending colon of rats
Full text linkEvaluation of the areas of neuronal cell bodies and nuclei in the myenteric plexus of the duodenum of adult rats
Full text linkMorphoquantitative effects of acute diabetes on the myenteric neurons of the proximal colon of adult rats
Full text linkDetecting fluoride using a plant species as a bioindicator, evaluating the relationship of endocrine and nerve ganglia in small intestine function, and discovering the effects of protein malnourishment and probiotic supplementation in the digestive system of mammalian models
No full textNeurônios NADH-diaforase positivos do jejuno de ratos adultos (Rattus norvegicus) desnutridos: aspectos quantitativos NADH-diaphorase positive neurons of the jejunum of disnurtured adult rats (Rattus norvegicus): quantitative aspects
No full textTemos por objetivo contribuir com informações sobre os aspectos quantitativos dos neurônios mioentéricos NADH-diaforase positivos do jejuno de ratos submetidos a desnutrição protéica. Foram utilizados 10 ratos (90 dias de idade), divididos em grupos: controle (n=5, ±278g) e desnutrido (n=5, ±280g). Nos 120 dias seguintes, os ratos do grupo controle receberam ração com teor protéico de 22%, os do grupo desnutrido, 8%. Ao final deste período, os ratos do grupo controle pesaram ±394,4g e os desnutrido ±273,5g.O jejuno foi submetido à técnica histoquímica da NADH-diaforase para evidenciação de células nervosas em preparado de membranas. Foram contados os neurônios presentes em 80 campos microscópicos em ambos os grupos. Verificaram-se no controle ±674,6 neurônios e no desnutrido ±1326,8 neurônios; A dieta não alterou a organização dos neurônios entretanto, levou a um menor desenvolvimento corporal nos animais desnutridos, contribuindo para que os neurônios destes sofressem menor dispersão e apresentassem maior densidade por mm².<br>We aim at contributing with information on the quantitative aspects of the NADH-diaphorase positive myenteric neurons of the jejunum of adult rats subjected to protein desnutrition. Ten rats aging 90 days were divided into two groups: control (n=5, ±278 g) and disnurtured (n=5, ±280 g). In the following 120 days, the rats from the control group had chow with 22% protein level, and those from the disnurtured group, with 8% protein level. After this period, the control rats weighted ±394.4g and the disnurtured ±273.5g. The jejunum was subjected to the histochemical technique of the NADH-diaphorase to stain nerve cells in whole-mounts. The neurons found in 80 microscopic fields of both groups were counted. In the control ±674.6 neurons were observed, and ±1326.8 neurons were counted in the disnurtured group. The low-protein diet did not alter the organization of the neurons, but led to a smaller body growth in the disnurtured animals, preventing neuronal dispersal and leading to a greater density per mm²
