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..
CXA Fund Description The SPDR Nuveen Barclays Capital California Municipal Bond ETF tracks a market-value-weighted index of publicly traded California municipal bonds that are rated AA- or better, and are exempt from US and California income taxes.