nonself

[ non-self ]
/ nɒnˈsɛlf /

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

Medical definitions for nonself

nonself
[ nŏn-sĕlf ]

n.

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