submucosa

organ submucosa

A layer of dense irregular connective tissue that lines organs and supports the mucosa, as well as joins the mucosa to the bulk of underlying smooth muscle. [WP,unvetted].

Type Muscle
Structure parente organ component layer
Nom latin organ submucosa
FMA ID 85391

Sous-structures

respiratory system submucosa Organ submucosa of biliary tree Organ submucosa of urinary bladder Organ submucosa of fallopian tube Organ submucosa of digestive tract Organ esophagogastric junction submucosa Organ

Questions fréquentes

What is the submucosa and where is it found?
The submucosa is a layer of dense irregular connective tissue found beneath the mucosa in hollow organs throughout the body, including the gastrointestinal tract, respiratory tract, and urinary bladder. It provides structural support and connects the mucosa to the underlying muscle layers.
What structures are found within the submucosa?
The submucosa contains blood vessels, lymphatic vessels, nerve fibers (including Meissner's plexus in the gut), and in some regions, glands. In the small intestine, Brunner's glands are located in the submucosa and secrete alkaline mucus.
What is the role of the submucosa in intestinal function?
In the intestines, the submucosa houses Meissner's submucosal nerve plexus, which regulates local secretion and blood flow. It also provides the structural scaffold through which nutrients absorbed by the mucosa access the circulatory and lymphatic systems.

Structures associées

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.