1 The Causes, Treatments, and Symptoms of Acute Thyroiditis The thyroid gland is a butterfly-shaped gland located in the middle of the lower neck. 2  Its main purpose is to control the body's metabolism, which is the rate at which your bâ¦.
Medicare is divided into a hospital insurance program and a supplementary medical insurance program. The Medicare hospital insurance plan is funded through Social Security payroll taxes.
Definition of Medicare. Medicare: The US government's national health insurance program for people aged 65 and older who have worked for at least 10 years in Medicare-covered employment, and who are citizens or permanent residents of the US.efinition of Medicare. Medicare: The US government's national health insurance program for people aged 65 and older who have worked for at least 10 years in Medicare-covered employment, and who are citizens or permanent residents of the US.