What does the word stomach mean?
One of the principal organs of digestion. It is a musculo-membranous reservoir; continuous, on the one side, with the oesophagus; on the other, with the duodenum. It is situate beneath the diaphragm, between the liver and the spleen; and occupies the epigastrium and a part of the left hypochondrium. In it the food is converted into chyme. When viewed externally, the stomach has, 1. An anterior face, which looks a little upwards, 2. An inferior face, directed downwards. 3. An inferior or colic margin, which is convex and extensive, and is called the greater curvature, ( F.) Grand courbure. It gives origin to the omentum majus. 4. A superior or diaphragmatic margin, which is shorter, concave, and is called the lesser curvature, ( F.) Petit courbure. The lesser omentum is attached to this. 5. A left or oesophageal orifice, called, also, the cardia, Os ventriculi or tipper orifice. 6. A right or intestinal, or inferior orifice, called the pylorus. 7. A considerable dilatation, situate to the left of the cardia and greater curvature- the great tuberosity or great cul-de-sac or fundus of the stomach; and, 8. A less extensive dilatation, situate to the right of the greater curvature,- the lesser tuberosity or lesser cul-de-sac, Antrum Pylori. The inner surface of the stomach is of a reddish-white colour, and has a marbled appearance. It is constantly covered by thick mucus, and is lined by a mucous membrane, which presents numerous wrinkles. The parietes of the stomach consist of three membranes in superposition. The outermost is serous, and is an extension of the peritoneum. The middle coat is muscular, -some of its fibres running longitudinally; others, transversely, and others obliquely. The innermost membrane is of a mucous nature, Crusta villosa ventriculi, Gastro-mycoderis, but not exactly a continuation of the membrane that lines the oesophagus. The mucous and muscular membranes form, at the pylorus, a valve, called the Pyloric valve. These three coats are united by a dense, close, areolar membrane; and, between the mucous and muscular coats, along the two curvatures especially, is a quantity of muciparous glands, called Glands of Brnnner. The arteries of the stomach are very numerous, and proceed from the coronaria ventriculi, the pyloric, splenic, and right and left gastro-epiploic. The veins have the same name, and pursue the same course as the arteries. They pour their blood into the trunk of the vena porta. Its lymphatic vessels are very numerous, and pass into ganglia, situate along the two curvatures. The nerves of the stomach proceed from the pneumogastric, and three divisions of the coeliac plexus.
Usage examples for stomach
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