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Physiological features of the digestive system
In a cross-sectional design, the gastrointestinal tract is composed of 8 layers from the inside out mucosa, mucosal muscle, submucosa, Meissner plexus, sphincter, Auerbach plexus, longitudinal muscle, and serosa.
Diagnostic routine imaging of the digestive system
The digestive system consists of two parts:
Gastrointestinal tract.
Digestive glands.
Gastrointestinal tract
It is a long tube that goes from the mouth to the anus, which can be divided into 5 main segments: mouth, esophagus, stomach, small intestine, and large intestine.
In a cross-sectional design, the gastrointestinal tract is composed of 8 layers from the inside out mucosa, mucosal muscle, submucosa, Meissner plexus, sphincter, Auerbach plexus, longitudinal muscle, and serosa.
Digestive glands
Glands outside the digestive tract
Salivary gland: includes parotid gland, submandibular gland, sublingual gland.
Pancreas.
Liver, gallbladder.
Glands are located just above the wall of the digestive tract
Stomach gland.
Intestinal gland.
Some other small glands such as cheeks, tongue...
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