Lamina propria: Difference between revisions
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{{Infobox Anatomy | | {{Infobox Anatomy | | ||
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Caption = Layers of Stomach Wall:<BR>1. [[Serosa]]<BR>2. [[Tela subserosa]]<BR>3. [[Muscularis]]<BR>4. Oblique fibers of muscle wall<BR>5. [[Muscular coat|Circular muscle layer]]<BR>6. [[Muscular coat|Longitudinal muscle layer]]<BR>7. [[Submucosa]]<BR>8. Lamina [[muscularis mucosae]]<BR>9. [[Mucosa]]<BR>10. [[Lamina propria]]<BR>11. [[Epithelium]]<BR>12. Gastric glands<BR>13. [[Gastric pits]]<BR>14. [[Villous folds]]<BR>15. Gastric areas (gastric surface) | | Caption = Layers of Stomach Wall:<BR>1. [[Serosa]]<BR>2. [[Tela subserosa]]<BR>3. [[Muscularis]]<BR>4. Oblique fibers of muscle wall<BR>5. [[Muscular coat|Circular muscle layer]]<BR>6. [[Muscular coat|Longitudinal muscle layer]]<BR>7. [[Submucosa]]<BR>8. Lamina [[muscularis mucosae]]<BR>9. [[Mucosa]]<BR>10. [[Lamina propria]]<BR>11. [[Epithelium]]<BR>12. Gastric glands<BR>13. [[Gastric pits]]<BR>14. [[Villous folds]]<BR>15. Gastric areas (gastric surface) | | ||
Image2 = Gray1033.png | | Image2 = Gray1033.png | | ||
Caption2 = Section of the human esophagus. Moderately magnified. The section is transverse and from near the middle of the gullet.<BR>a. | Caption2 = Section of the human esophagus. Moderately magnified. The section is transverse and from near the middle of the gullet.<BR>a. Fibrous covering.<BR>b. Divided fibers of [[longitudinal muscular coat]].<BR>c. [[Transverse muscular fibers]].<BR>d. [[Submucous]] or '''areolar''' layer.<BR>e. [[Muscularis mucosae]].<BR>f. [[Mucous membrane]], with vessels and part of a [[lymphoid nodule]].<BR>g. [[Stratified epithelial lining]].<BR>h. [[Mucous gland]].<BR>i. [[Gland duct]].<BR>m’. [[Striated muscular fibers]] cut across. | | ||
System = | | System = | | ||
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==Overview== | ==Overview== | ||
The '''lamina propria''' is a constituent of the moist linings known as mucous membranes or [[mucosa]], which line various tubes in the body (such as the respiratory tract, the gastrointestinal tract, and the urogenital tract). | The '''lamina propria''' is a constituent of the moist linings known as mucous membranes or [[mucosa]], which line various tubes in the body (such as the respiratory tract, the gastrointestinal tract, and the urogenital tract). | ||
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{{TissueLayers}} | {{TissueLayers}} | ||
[[Category:Histology]] | [[Category:Histology]] | ||
[[fr:Lamina propria]] | [[fr:Lamina propria]] | ||
Latest revision as of 16:46, 9 August 2012
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Overview
The lamina propria is a constituent of the moist linings known as mucous membranes or mucosa, which line various tubes in the body (such as the respiratory tract, the gastrointestinal tract, and the urogenital tract).
The lamina propria (more correctly lamina propria mucosae) is a thin layer of loose connective tissue which lies beneath the epithelium and together with the epithelium constitutes the mucosa. As its Latin name indicates it is a characteristic component of the mucosa, "the mucosa's own special layer". Thus the term mucosa or mucous membrane always refers to the combination of the epithelium plus the lamina propria.[1]
The lamina propria contains capillaries and a central lacteal (lymph vessel) in the small intestine, as well as lymphoid tissue. Lamina propria also contains glands with the ducts opening on to the mucosal epithelium, that secrete mucus and serous secretions.
References
- ↑ H.G. Burkitt et al., eds., Wheater's Functional Histology, 3rd ed.
See also
External links
- Template:EMedicineDictionary
- Template:AnatomyAtlasesMicroscopic
- Histology image: 10802loa – Histology Learning System at Boston University - "Digestive System: Alimentary Canal - esophagus "
- Histology image: 03301loa – Histology Learning System at Boston University - "Connective Tissue: lamina propria; loose connective tissue "
- Template:UIUCHistologySubject
- Template:UCDavisOrganology - "Mammal, whole system (LM, Low)"
- Slide at ucla.edu
