immune system By Ivan Suarez Robles 08 Feb, 2011 The cells and tissues involved in recognizing and attacking foreign substances in the body.Related Articles: Glossary: lymphocyteThe CRISPR RevolutionParamedic Stem Cells Show Potential as a Treatment for Huntington’s Disease in Mouse StudiesSheep in HD Research2018 HOPES conference discussed up-and-coming treatments, stories of resilience