What are the four main parts of the stomach?

What are the four main parts of the stomach?

The stomach is a ‘j’-shaped organ, with two openings- the oesophageal and the duodenal- and four regions- the cardia, fundus, body and pylorus.

What are the three main parts of the stomach?

The cardia is where the contents of the esophagus empty into the stomach. The fundus (from Latin ‘bottom’) is formed in the upper curved part. The body is the main, central region of the stomach. The pylorus (from Greek ‘gatekeeper’) is the lower section of the stomach that empties contents into the duodenum.

What are the major parts of the stomach?

There are four main regions in the stomach: the cardia, fundus, body, and pylorus (Figure 23.4. 1). The cardia (or cardiac region) is the point where the esophagus connects to the stomach and through which food passes into the stomach.

What are the parts of the stomach in order?

The stomach has four major regions: the cardia, fundus, body, and pylorus. The addition of an inner oblique smooth muscle layer gives the muscularis the ability to vigorously churn and mix food.

What is the structure and function of a stomach?

The stomach is a muscular organ located on the left side of the upper abdomen. The stomach receives food from the esophagus. As food reaches the end of the esophagus, it enters the stomach through a muscular valve called the lower esophageal sphincter. The stomach secretes acid and enzymes that digest food.

What are the four main areas of the stomach?

Structures of the human stomach The stomach has three layers of muscle: an outer longitudinal layer, a middle circular layer, and an inner oblique layer. The inner lining consists of four layers: the serosa, the muscularis, the submucosa, and the mucosa .

What are the four regions of the stomach?

There are four main regions in the stomach: the cardia , fundus, body, and pylorus. The cardia (or cardiac region) is the point where the esophagus connects to the stomach and through which food passes into the stomach.

What are the four sections of the abdomen?

The abdomen is divided into four sections called quadrants. An abdominal mass may occur in the right upper quadrant, left upper quadrant, right lower quadrant, or left lower quadrant. The stomach is also divided into two sections: the epigastric section and the periumbilical section.

What organs are at the top of your stomach?

The liver is an abdominal glandular organ in the digestive system. It is located in the right upper quadrant of the abdomen, under the diaphragm and on top of the stomach.