Positron emission tomography (PET) is a test that uses a special type of camera and a tracer (radioactive chemical) to look at organs in the body. The tracer usually is a special form of a substance (such as glucose) that collects in cells that are using a lot of energy, such as cancer cells.
The Eleventh Amendment was ratified in 1798 in order to overrule the Supreme Courtâs decision that a South Carolina citizen could sue the state of Georgia for money damages.he Eleventh Amendment was ratified in 1798 in order to overrule the Supreme Courtâs decision that a South Carolina citizen could sue the state of Georgia for money damages.
Reproduction Number: LC-USZC4-2521. The 14th Amendment to the Constitution was ratified on July 9, 1868, and granted citizenship to âall persons born or naturalized in the United States,â which included former slaves recently freed.merica's Library. Jump Back in Time: 14th Amendment to the Constitution was ratified. Chronicling America: Historic American Newspapers. The Chronicling America site allows you to search and view millions of historic American newspaper pages from 1836-1922.