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The muscle of the inner layer is arranged in circular rings around the tract, whereas the muscle of the outer layer is arranged longitudinally. The stomach has an extra layer, an inner oblique muscular layer. [1] Between the two muscle layers is the myenteric plexus (Auerbach's plexus). This controls peristalsis.
Symptoms of gastrointestinal perforation commonly include severe abdominal pain, nausea, and vomiting. [2] Complications include a painful inflammation of the inner lining of the abdominal wall and sepsis. Perforation may be caused by trauma, bowel obstruction, diverticulitis, stomach ulcers, cancer, or infection. [2]
Mucus is released in the stomach and intestine, and serves to lubricate and protect the inner mucosa of the tract. It is composed of a specific family of glycoproteins termed mucins and is generally very viscous. Mucus is made by two types of specialized cells termed mucous cells in the stomach and goblet cells in the intestines. Signals for ...
Here are some common causes of stomach pain and discomfort — and how to fix them. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to ...
Peritonitis is inflammation of the localized or generalized peritoneum, the lining of the inner wall of the abdomen and cover of the abdominal organs. [2] Symptoms may include severe pain, swelling of the abdomen, fever, or weight loss. [2] [3] One part or the entire abdomen may be tender. [1]
Gastritis is the inflammation of the lining of the stomach. [1] It may occur as a short episode or may be of a long duration. [1] There may be no symptoms but, when symptoms are present, the most common is upper abdominal pain (see dyspepsia). [1] Other possible symptoms include nausea and vomiting, bloating, loss of appetite and heartburn.
In the stomach there is a slight balance between acid and the wall lining which is protected by mucus. When this mucus lining is disrupted for whatever reason, signs and symptoms of acidity result. This may result in upper abdominal pain, indigestion, loss of appetite, nausea, vomiting and heartburn. When the condition is allowed to progress ...
Whilst the muscularis externa is similar throughout the entire gastrointestinal tract, an exception is the stomach which has an additional inner oblique muscular layer to aid with grinding and mixing of food. The muscularis externa of the stomach is composed of the inner oblique layer, middle circular layer, and the outer longitudinal layer.