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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 mm .

Neurônios NADH-diaforase positivos do jejuno de ratos adultos (Rattus norvegicus) desnutridos: aspectos quantitativos