Muscular coat
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| Muscular coat | |
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| LAYERS: serosa longitudinal muscle myenteric plexus circular muscle submucosal plexus submucosal mucosal |
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| Transverse section of ureter. | |
| Latin | tunica muscularis |
| Dorlands/Elsevier | t_22/12832129 |
The muscular coat (or muscular layer, or muscular fibers, or muscularis externa) is a region of smooth muscle in many organs in the vertebrate body, adjacent to the mucous membrane.
It usually has two distinct layers:
- inner and "circular"
- outer and "longitudinal"
[edit] Additional images
 Section of duodenum of cat. X 60. |
 Vertical section of bladder wall. |
[edit] External links
- Dictionary at eMedicine muscular+layer
- Histology at nhmccd.edu
- Bioweb at UWLAX Muscularis externa of the colon
- Bioweb at UWLAX Smooth muscle layers of the gut
- Histology at OU 52_05 - "Duodenum"
- Organology at UC Davis Digestive/mammal/system1/system7 - "Mammal, whole system (LM, Low)"
- UIUC Histology Subject 23
- Histology at BU 11601ooa - "Muscle Tissue: smooth muscle, muscularis externa"
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
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