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Submucous plexus

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Title: Submucous plexus  
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Subject: Myenteric plexus, Enteric nervous system, List of MeSH codes (A08), Segmentation contractions, Enterogastrone
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Submucous plexus

Submucous plexus
The plexus of the submucosa from the rabbit. X 50.
Details
Latin Plexus nervosus submucosus, plexus submucosus,
plexus Meissneri
Identifiers
MeSH A08.800.050.050.850
Dorlands
/Elsevier
p_24/12648478
Anatomical terms of neuroanatomy

The submucous plexus, (Meissner's plexus, plexus of the submucosa, plexus submucosus) lies in the submucosa of the intestinal wall. The nerves of this plexus are derived from the myenteric plexus which itself is derived from the plexuses of parasympathetic nerves around the superior mesenteric artery. Branches from the myenteric plexus perforate the circular muscle fibers to form the submucous plexus. Ganglia from the plexus extend into the muscularis mucosae and to the mucous membrane.

They contain Dogiel cells.[1] The nerve bundles of the submucous plexus are finer than those of the myenteric plexus. Its function is to innervate cells in the epithelial layer and the smooth muscle of the muscularis mucosae.

14% of submucosal plexus neurons are sensory neurons - Dogiel type II, also known as enteric primary afferent neurons or intrinsic primary afferent neurons.[2]

History

German

  • Physiology: 6/6ch1/s6ch1_10 - Essentials of Human Physiology
  • Anatomy Atlases - Microscopic Anatomy, plate 10.201

External links

  1. ^ Stach, W (1979). "[Differentiated vascularization of Dogiel's cell types and the preferred vascularization of type I/2 cells within plexus myentericus (Auerbach) ganglia of the pig (author's transl)].". Anatomischer Anzeiger (in German) 145 (5): 464–73.  
  2. ^ Anatomy and physiology of the enteric nervous system, M Costa,S J H Brookes,G W Hennig, Gut 2000;47:iv15-iv19 doi:10.1136/gut.47.suppl_4.iv15 , http://gut.bmj.com/content/47/suppl_4/iv15.full

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

References
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