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Medical Term:



a type I transmembrane protein found on cortical thymocytes, dermal cells, and brain astrocytes that is involved in nonclassical antigen presentation or is a receptor for an undefined ligand or hormone; expressed in patients with T-cell acute lymphoblastic leukemia, B-cell chronic lymphocytic leukemias, and B cells in severe combined immunodeficiency disease.

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.