What is the name of tissue in are stomach?

The tissue in our stomach is called the gastric mucosa. It is a complex network of cells that form a protective barrier between the stomach's contents and the underlying muscle layers. The gastric mucosa is composed of several layers, each with its own specialized functions.

1. Epithelial cell layer: The innermost layer of the gastric mucosa is the epithelial cell layer. These cells form a tight barrier that prevents stomach acid and enzymes from seeping into the deeper layers of the stomach wall. They also secrete mucus, which protects the stomach lining from damage.

2. Lamina propria: Beneath the epithelial cell layer is the lamina propria, a layer of connective tissue that supports the epithelial cells. It contains a network of blood vessels and immune cells that help to fight infection and repair damaged tissue.

3. Muscularis mucosae: The muscularis mucosae is a thin layer of muscle tissue that lies beneath the lamina propria. It helps to create a muscular barrier that controls the movement of food in the stomach.

4. Submucosa: The submucosa is a thicker layer of connective tissue located beneath the muscularis mucosae. It contains larger blood vessels, nerve fibers, and lymph nodes. The submucosa provides a pathway for nutrients to reach the epithelial cell layer and for waste products to be removed.

5. Muscularis propria: The muscularis propria is the thickest and outermost layer of the gastric mucosa. It consists of several layers of smooth muscle tissue that work together to create muscle contractions known as peristalsis. Peristalsis helps mix food with digestive juices and propels it through the stomach and into the small intestine.

Each component of the gastric mucosa plays a crucial role in digestion and protecting the stomach from hydrochloric acid and enzymes produced by the stomach. Disruptions to the gastric mucosa, such as inflammation or ulceration, can lead to digestive problems and discomfort.