This test measures a substance called parathyroid hormone (PTH) in your blood. PTH is made by four tiny parathyroid glands in your neck. PTH circulates in your blood and is needed to regulate the level of calcium in your blood.our heart, bones, nervous system, and kidneys need a normal calcium level in the blood to work the way they should. If your calcium level is too low, your parathyroid glands release PTH to get more calcium into your blood.
DEFINITION of 'Municipal Bond'. A debt security issued by a state, municipality or county to finance its capital expenditures. Municipal bonds are exempt from federal taxes and from most state and local taxes, especially if you live in the state in which the bond is issued. Also known as a muni..
Municipal Bond. A bond issued by a local or state government. Municipal bonds are usually used to raise capital for improvements in infrastructure or other aspects of the municipality. For example, a city or school district may issue a bond to build a new school or a new playground.