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General microscopic structure of the gallbladder and pancreas. Digestive system. consists of: gastrointestinal tract (alimentary canal): oral cavity with tongue and teeth. pharynx – a common section of the respiratory tract and gastrointestinal tract. esophagus. stomach. small intestine. large intestine. large glands: salivary glands. liver.
The stomach, located in the upper left quadrant of the abdomen, is a J-shaped organ composed predominantly of invol-untary smooth muscle. A bolus of food enters the stomach through the lower oesophageal sphincter, which rapidly closes to prevent regurgitation of gastric secretions (see part 1).
Digestive System - Structure and Function. The digestive system is where we eat and digest food break it down (digest it), send the usable parts through the blood to the body organs and tissues and get rid of the waste that the body can’t use. There are many organs in the digestive system.
The stomach a thick walled organ that lies between the esophagus and the first part of the small intestine (the duodenum). It is on the left side of the abdominal cavity; the fundus of the stomach lying against the diaphragm.
The GI tract is a series of hollow organs joined in a long, twisting tube from the mouth to the anus. The hollow organs that make up the GI tract are the mouth, esophagus, stomach, small intestine, large intestine—which includes the rectum—and anus.
Introduction. The stomach is the most dilated part of the digestive tube, having a capacity of 1000–1500 ml in the adult. It is situated between the end of the oesophagus and the duodenum – the beginning of the small intestine.
The stomach is lined by simple columnar epithelium. This simple columnar epithelium begins Abruptly at the gastro-esophageal junction (GEJ). GP = gastric pit. CG = cardiac glands. Endoscopic difference between the Esophageal and Gastric mucosa. Esophagus. GE Junction. Stomach. The epithelium invaginates the lamina propria to form. Gastric Pits.
