descending colon lamina propria

descending colonic lamina propria

The lamina propria that underlies the epithelial lining of the descending colon.

Typ Organ
Übergeordnete Struktur lamina propria of large intestine
Lateinischer Name descending colonic lamina propria

Häufig gestellte Fragen

What is the descending colon lamina propria?
The descending colon lamina propria is the connective tissue layer underlying the epithelial surface of the descending colon. It forms part of the colonic mucosa and contains intestinal glands, blood vessels, lymphatics, and immune cells that support mucosal function.
Where is the descending colon lamina propria located?
The descending colon lamina propria is located within the wall of the descending colon, which runs vertically along the left side of the abdomen from the splenic flexure to the sigmoid colon. It occupies the space between the luminal epithelium and the deeper muscularis mucosae.
What is the function of the descending colon lamina propria?
The descending colon lamina propria provides mechanical support for the epithelium and crypts involved in water and electrolyte absorption. The immune cells within it, including plasma cells producing secretory IgA, contribute to defense against luminal pathogens and maintenance of mucosal homeostasis.
What conditions may affect the descending colon lamina propria?
The descending colon lamina propria may be associated with colitis, including Crohn's disease, ulcerative colitis, and ischemic colitis. Adenomatous polyps and colorectal carcinoma may also arise from or extend through the lamina propria.
How is the descending colon lamina propria examined?
The descending colon lamina propria is examined via biopsy specimens obtained during colonoscopy. Histopathological assessment evaluates for inflammatory infiltrates, crypt distortion, and any neoplastic changes within the mucosal tissue.

Verwandte Strukturen

mucus body coating mucous body coating mucus cocoon mucous cocoon Mullerian duct ductus paramesonephricus multi cell part structure cell part cluster multicellular anatomical structure multicellular structure multilaminar epithelium laminated epithelium multi-tissue structure multi-tissue structures multi-unit eye

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Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.