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..
The Near-Term Tax Free Fund invests in municipal bonds with relatively short maturity. The fund seeks to provide tax-free monthly income and stability by investing in debt securities issued by state and local governments from across the country.