nonself

[non-self]

noun Immunology.

any antigen-bearing foreign material that enters the body and normally stimulates an attack by the body's immune system (distinguished from self).

Origin of nonself

First recorded in 1870–75; non- + self

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

nonself in Medicine

nonself

[nŏn-sĕlf′]

n.

That which the immune system identifies as foreign to the body.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.