Neodymium is never found in nature as a free element, but rather it occurs in ores such as monazite and bastnÃ¤site that contain small amounts of all the rare earth metals. The main mining areas are in China, the United States, Brazil, India, Sri Lanka, and Australia.
Polycystic Kidney Disease. Polycystic kidney disease (also called PKD) causes numerous cysts to grow in the kidneys. These cysts are filled with fluid. If too many cysts grow or if they get too big, the kidneys can become damaged. PKD cysts can slowly replace much of the kidneys, reducing kidney function and leading to kidney failure.
Dental cysts are a very common form of an odontogenic cysts. In most cases, such cysts are caused by infections that result in the pulp or inner portion of the tooth becoming infected and causing resultant decay, as well as the development of fluid filled sacs or inflamed tissue. Fluids contained within such as sacs or cysts may be sterile or infected.