uk â /ËmÃ¦dÊÉªstreÉªt/ us â LAW. âº a judge, often, in the UK, one without legal training, in a law court that deals with crimes that are not serious: appear before/be brought before a magistrate He appeared before a federal magistrate in New Orleans to face charges of accepting bribes.
The tuberculosis (TB) blood test, also called an Interferon Gamma Release Assay or IGRA, is a way to find out if you have TB germs in your body.The TB blood test can be done instead of a TB skin test (Mantoux).There are two kinds of TB blood tests:he tuberculosis (TB) blood test, also called an Interferon Gamma Release Assay or IGRA, is a way to find out if you have TB germs in your body.
IGRAs measure a personâs immune reactivity to M. tuberculosis. White blood cells from most persons that have been infected with M. tuberculosis will release interferon-gamma (IFN-g) when mixed with antigens (substances that can produce an immune response) derived from M. tuberculosis.To conduct the tests, fresh blood samples are mixed with antigens and controls.hite blood cells from most persons that have been infected with M. tuberculosis will release interferon-gamma (IFN-g) when mixed with antigens (substances that can produce an immune response) derived from M. tuberculosis.