Stomach

At ruminant

Its stomach is composed of six parts in series:

• bandages is a large pocket, container of the grass, and whose regurgitation of the contents involves rumination. It also allows a digestion by fermentation bacterial.
• network : a certain sorting between the weight of fibres allows;
• layer : the rejection allows of;
• caillet : more eloigné by its function of the human stomach.

At

stomach (in old Greek????????) is the portion of digestive tract in the shape of pocket, located between and it duodenum. The stomach receives them food chewed in the mouth and swallowed in the?sophage. The body is in form of J capital letter, it makes 5 cm in height, contains 1.5 L with vacuum, and can contain up to 8 liters. The stomach is in connection with , , it and the brain.

The stomach makes it possible to ensure by its function (mixing) and chemical, while mixing with the gastric juices (water, , ).

The processed product by the stomach is a paste, called chyme which flows in the large intestine. The duration of digestion in the stomach varies approximately between two and three hours.

Anatomy of the human stomach

The human stomach is characterized by a form in J and presents two openings controlled by sphincters: cardia who allows the junction between the?sophage and the stomach and it pylore who allows the exit of the gastric chyme in the duodenum. It is composed of three parts from top to bottom:

• fundus,
• body stomach and
• antrum.

Histology of the human stomach

three parts of the stomach:

• great tuberosity
• fundus comprise the parietal cells which synthesize the acid chlorydric, and the principal cells, the pepsinogene.
• cave

Control secretion and mobility

Diseases

• ulcers

See too

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