Investors may want to keep an eye on uranium stocks as Japan restarts nuclear reactors, giving the metal a well-needed boost. Spot prices jumped 5 percent over the weekend following news on Friday that two nuclear reactors in the southern Japanese prefecture of Kagoshima will be restarted next year.nvestors may want to keep an eye on uranium stocks as Japan restarts nuclear reactors, giving the metal a well-needed boost. Spot prices jumped 5 percent over the weekend following news on Friday that two nuclear reactors in the southern Japanese prefecture of Kagoshima will be restarted next year.
Structure of the Digestive Tract Wall The digestive tract, from the esophagus to the anus, is characterized by a wall with four layers, or tunics. The layers are discussed below, from the inside lining of the tract to the outside lining: The mucosa is a mucous membrane that lines the inside of the digestive tract from mouth to anus. Depending on the section of the digestive tract, it protects the digestive tract wall, secretes substances, and absorbs the end products of digestion. It is composed of three layers: The epithelium is the innermost layer of the mucosa.
Four layers of tissue form the walls of the digestive tract. These  layers are called mucosa, submucosa, muscularis externa and  adventitia. Simple Squamous Epithelial Tissue which are used for the diffusion of gasses between the capillaries and the alveoli. The layer of heart wall composed of cardiac muscle tissue is called the myocardium.