Physiological features of the digestive system

2021-06-14 03:44 PM

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

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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