Mucosal-Associated Invariant T-Cell

**Semantic type:** Cell

**Definition:** A T-cell subtype bearing a semi-invariant T-cell receptor and restricted by the major histocompatibility complex related molecule MR1. These cells occupy peripheral tissues and are noted for their reactivity against various microorganisms of either bacterial or fungal origin.

**Synonyms:** - MAIT - Mucosal-associated invariant T-cell