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.
Medical Definition of Medicare Part B. Medicare Part B: The Medicare program that covers physician and outpatient services. Medicare is the United States government's health insurance program for the aged and some disabled persons. Medicare is currently available to people 65 and older and to people with certain disabilities. Medicare Part A covers inpatient hospital stays.