noun
Abbreviation for Major Histocompatibility Complex, a group of genes that code for proteins found on the surface of cells that help the immune system recognize foreign substances.
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The major histocompatibility complex (MHC) plays a crucial role in the immune system's ability to distinguish self from non-self.
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Scientists are studying the MHC to better understand how our immune system works.
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I heard that MHC is like the bouncer of our immune system, deciding who gets in and who doesn't.
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The MHC acts like a security guard, ensuring only the right 'guests' are allowed into the immune system party.