Stomach is a hollow organ situated just below the diaphragm on the left side of the abdominal cavity . When it is empty , it volume is about 50ml and when it filled with either solid or liquid food it expand to accommodate 1-1.5litres of the particle or food .
The human stomach is divided into 4 parts namely
1. The cardiac region
2. The fundus
3. The body of the stomach
4. The pyloric region
Structurally , the wall of the stomach is formed by four layers which are as follow .
1. Outer serous layer
2. Muscular layer
3. Sub mucus layer
4. Inner mucus layer
As the stomach is an hollow organ it contains likely 2 to 3 glands and they are
1. Fundic gland
2. Pyloric gland
3. Cardiac gland
The stomach perform series of function but few are mentioned here
Function of stomach
1. Storage function
2. Chime function
3. Digestive function
4. Protective function
5. Hemopoiesis function
6. Excretory function
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