Publication: Structural organization of enteric
Authors
Ibba-Manneschi, L. ; Martini, M. ; Zecchi-Orlandini, S. ; Faussone-Pellegrini, M.S
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Publisher
Murcia : F. Hernández
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DOI
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info:eu-repo/semantics/article
Description
Abstract
The organization of the Enteric Nervous
System (ENS) was studied in the human colon.
Fragments of the whole colonic wall were either
routinely processed or Zinc-Iodide Osmium impregnated.
Single-layer preparations were also obtained from
some of the Zinc-Iodide Osmium-impregnated
specimens. The results showed some differences in the
organization of human colonic ENS from that of other
mammals. In fact, the human submucous plexus was
made up of three interconnected ganglionated networks
arranged along three different planes. With respect to the
myenteric plexus, its ganglia were large sized and
irregularly shaped. Moreover, during the microdissection
of the colonic wall, we found the absence of a cleavage
plane between the circular and longitudinal muscle
layers; on the other hand the cleavage plane between
mucosa and submucosa was not immediately below the
muscularis mucosae, but slightly deeper, since the
innermost part of the submucosa remained adhering to
overlying layers.
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