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Studies on the intrinsic nervous system of the wild rodent Calomys callosus digestive tract. II: The submucous plexus BJMBR
Souza,N.B.; Liberti,E.A.; De-Souza,R.R..
The submucous plexus of the normal small and large intestine of Calomys callosus was studied by NADH and AChE histochemical techniques and by transmission and scanning electron microscopy. The plexus contains (mean ± SD) 7,488 ± 293 neurons/cm2 in the duodenum, 5,611 ± 836 in the jejunum, 2,741 ± 360 in the ileum, 3,067 ± 179 in the cecum, and 3,817 ± 256 in the proximal colon. No ganglia or nerve cell bodies were seen in the esophagus, stomach, distal colon or rectum. The neurons are pear-shaped with a round or oval nucleus and the neuronal cell profile areas were larger in the large intestine than in the small intestine. Most of the neurons display intense AChE activity in the cytoplasm. AChE-positive nerve fibers are present in a primary meshwork of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Submucous plexus; Wild mouse; Morphometry; Histochemistry; Ultrastructure; Calomys callosus.
Ano: 1998 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X1998000500007
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Study of the myenteric and submucous plexuses after BAC treatment in the intestine of rats Biocell
Buttow,Nilza Cristina; Santin,Miriam; Conci Macedo,Luciana; Neres Teixeira,Aline Cristina; Novakowski,Gisele Caroline; Bolonheis Armelin,Taíse Roberta; Assmann,Kathya.
A morphological and quantitative study in the ileal and colonic myenteric and submucous plexuses of rats after BAC denervation was performed. Four groups were employed: SI - ileum control; CBI - denervated ileum; SC - colon control; and CBC - denervated colon. We used the Myosin-V immunohistochemistry technique to study the myenteric and submucous plexuses. In the submucous plexus of the ileum and colon there was not a significant decrease in the number of neurons/mm2 and of ganglia/mm2. The denervation of the myenteric plexus in the group CBI was 44.7% and in the group CBC, 68.3%. In the myenteric plexus there was also a significant decrease in the number of ganglia/mm2 (13.8% in group CBI and 52.14% in group CBC) and in the number of neurons/ganglion...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Myenteric plexus; Submucous plexus; Morphology; Benzalkonium chloride; Denervation.
Ano: 2004 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0327-95452004000200002
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