Page 394 - Veterinary Immunology, 10th Edition

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FIG. 14.1 The four key antigen receptors of the immune system—
TCR, MHC class I, MHC class II, and BCR—are each constructed
using immunoglobulin domains as building blocks. Each binds
antigen through the use of variable domains. All are members of the
immunoglobulin superfamily.

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