Abstract
The submucous coat is a layer of strong but loose areolar tissue with some elastic fibres, lying between the muscularis mucosae and the muscularis externa; it is rich in mast cells, macrophages, lymphocytes, eosinophilic leucocytes and plasma cells. It forms a bed in which the vessels and nerves break up before entering the mucous membrane; consequently it contains arteries, veins, lymphatics and Meissner’s nerve plexuses. The plexuses form part of the autonomic nervous system and contain postganglionic sympathetic fibres as well as pre- and postganglionic parasympathetic fibres. The nerve cells are all parasympathetic.
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© 1993 Springer-Verlag Berlin Heidelberg
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Keet, A.D. (1993). The Submucous Coat. In: The Pyloric Sphincteric Cylinder in Health and Disease. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-77708-0_4
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DOI: https://doi.org/10.1007/978-3-642-77708-0_4
Publisher Name: Springer, Berlin, Heidelberg
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