In contrast to a normal thyroid (Figure 1), hypothyroidism occurs when too little thyroid hormone (T4 and T3) is generated by the thyroid gland (Figure 2). In response, changes in the hypothalamus and the pituitary gland lead to increased TSH production in an effort to increase the thyroidâs output.
(a) U.S. Treasury securities held by the Federal Reserve: All Maturities, Millions of Dollars, Not Seasonally Adjusted (TREAST) Write a custom formula to transform one or more series or combine two or more series. You can begin by adding a series to combine with your existing series.
United States Treasury Securities are government debt instruments issued by the United States Department of the Treasury to finance the national debt of the United States. Treasury securities are often referred to simply as Treasuries. Since 2012 the management of government debt has been arranged by the Bureau of the Fiscal Service, succeeding the Bureau of the Public Debt.