...Path to Immunology...

Dictionary

VARIOLATION: The transfer of diseases from one person to another. In 1976, Edward Jenner used cow pox to protect humans against small pox, which was his first experimental vaccination.

HISTOCOMPABILITY LYMPHOCYTES ANTIGENS (HLA): These proteins helps with the regulation of the immune system. 

PHAGOCYTES: Leukocytes that engulfs microbes and foreign materials. 

TOLERANCE: The body becomes less responsive to any physiological harm.

References

• "Your Dictionary. The Way You Want It." Dictionary Definitions You Can Understand. N.p., 04 Jan. 2011. Web. 31 Aug. 2016.
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