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The muscularis mucosa separates the lamina propria from the submucosa. It produces local movements of the mucosa. For example, twitching of this muscle layer dislodges food particles that have adhered to the mucosa.

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16y ago
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12y ago

The muscularis mucosa separates the lamina propria from the submucosa. It produces local movements of the mucosa. For example, twitching of this muscle layer dislodges food particles that have adhered to the mucosa.

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13y ago

This term primarily applies to the smooth, largely involuntary muscle in the body, as opposed to the skeletal voluntary.

The prime action of the muscularis externa is that of peristalsis, which causes the food or other internal contents to be pushed along inside the vessel of which the muscle tissue forms a part.

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9y ago

Muscularis externa or muscular layer is a region of organ muscles of a vertebrate body. Its function is for gut movement like peristalsis.

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12y ago

It provides anchorage for the cardiac muscle and the atrioventricular valves. The portion of the skeleton anchoring the A-V valves is called the coronary trigone.

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9y ago

The muscularis externa is the layer of the digestive tube consisting of smooth muscle. This is responsible for the segmental contractions of peristalsis..

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Q: What is the function of the muscularis externa?
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How does the muscularis externa of the stomach relate to the function?

The third layer, the obliquely oriented layer, of smooth muscle in its muscularis externa allows the stomach to churn, mix, and pummel the food, physically reducing it into smaller pieces.


What is the function of pacesetter cells?

It located in musclaris mucosae and muscularis externa. It surrounding lumen of digestive tract.


What is the function of the muscularis externa in the stomach?

The muscularis externa is the layer of the digestive tube, which consists of smooth muscles. It mixes ingested food with gastric juices so digestion is able to occur.


How is the muscularis externa of the stomach modified?

Under the submucosa, the muscularis externa in the stomach differs from that of other GI organs in that it has three layers of smooth muscle instead of two.


What are the subdivisions of the layer of muscularis?

The subdivisions of the wall layer muscularis externa are the longitudinal layer, circular layer, and oblique layer.


Which of the following is the correct order of the layers of the gastrointestinal tract wall from lumen to external surface?

The layers of the alimentary tube wall are mucosa, submucosa, muscularis externa, and serosa.


What are the four layers of the digestive tract?

Mucosa, Submucosa, Muscularis externa, and the Serosa


Which layer of the alimentary canal is responsible for segmentation and peristalsis?

the smooth muscles are responsible for perstalsis and segmentation, so that means its the muscularis externa. :)


Which layer of the alimentary canal is made of the smooth muscle involved in peristalsis?

Muscularis externa .


What are the subdivisions of muscularis externa?

Inner Oblique layerMiddle Circular LayerLongitudinal LayerAuerbach's Plexus


What are the subdivisions of mucosa?

surface epithelium, lamina propria, and muscularis mucosae


Choose the answer that lists the four layers of the wall of the gastrointestinal tract in the appropriate order from innermost tooutermost.?

Mucosa, submucosa, muscularis externa, serosa