U.S. flag

An official website of the United States government


Send to:

Choose Destination

Immune System

The body's defense mechanism against foreign organisms or substances and deviant native cells. It includes the humoral immune response and the cell-mediated response and consists of a complex of interrelated cellular, molecular, and genetic components.

Year introduced: 1985

PubMed search builder options


Tree Number(s): A15.382

MeSH Unique ID: D007107

Entry Terms:

  • Immune Systems
  • System, Immune
  • Systems, Immune

Previous Indexing:

Supplemental Content

Loading ...
Support Center