Glossary Term

Antibody

PCR TermsEN

Definition

A type of protein made by B lymphocytes in response to a foreign substance (antigen). Each antibody only binds to a specific antigen, helping to destroy the antigen directly or by assisting white blood cells to destroy the antigen.

Extended Notes

Source: National Cancer Institute, NCI Thesaurus 26.09d, C16295. NCI definition, reproduced without modification under CC BY 4.0. Source identity and definition checked automatically on 2026-10-20. No individual clinical interpretation or human reviewer is asserted.

Also Known As

AbAntibodiesAntibody

References

NCI Thesaurus 26.09d — Antibody (C16295)
Source: National Cancer Institute, NCI Thesaurus 26.09d, C16295. NCI definition, reproduced without modification under CC BY 4.0.