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Medical Glossary Decoded

A brightly fluorescent body seen under the microscope in cells containing a Y chromosome when the cells are stained with the dye quinacrine. Quinacrine lights up the Y chromosome more than other chromosomes.
The sex chromosome that is found, together with an X chromosome, in males.
The presence of a gene on the Y chromosome.
An acute illness caused by a virus called a Flavi virus. In severe cases, the viral infection causes high fever, bleeding into the skin, and necrosis (death) of cells in the kidney and liver.
An infectious disease caused by a bacterium called Yersinia enterocolitis. It is characterised by fever, abdominal pain and diarrhoea.
A rare elemental metal. A radioactive form of yttrium is used in radiation therapy and some types of immunotherapy.