develops from capable of output of mature alpha-beta T cell double-positive, alpha-beta thymocyte mucosal-associated invariant T cell mucosal-associated invariant T lymphocyte mucosal invariant T-lymphocyte mucosal invariant T cell MAIT mucosal-associated invariant T-cell mucosal-associated invariant T-lymphocyte mucosal invariant T-cell mucosal invariant T lymphocyte An alpha-beta T cell that is found in the lamina propria of mucosal tissues and is restricted by the MR-1 molecule. This cell develops from double-positive, alpha-beta thymocyte. innate immune response in mucosa T cell differentiation MHC class Ib receptor activity Homo sapiens