19,879
edits
Changes
no edit summary
: When an [[organism]] is [[infected]] [[lymphocyte]]s produce hundreds of different '''antibodies''' until one works.
: Once a [[lymphocyte]] has produce a working [[antibody]] it will remember and reproduce it any time the same [[pathogen]] [[infection|infects]] the [[organism]].
: If a [[patient]]'s own '''antibodies''' are not able to get rid of a [[pathogen]] [[scientist]]s can find and [[organism]] that makes '''antibodies''' that do work and copy them to be injected into the patient. These are called [[Monoclonal Antibody|monoclonal '''antibodies''']].