blocking antibody


Immunology. an antibody that partly combines with an antigen and interferes with cell-mediated immunity, thereby preventing an allergic reaction.
Also called blocking factor. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for blocking antibody

blocking antibody


An antibody that combines with an antigen without a reaction but that blocks another antibody from later combining with that antigen.
An immunoglobulin that combines specifically with an atopic allergen but does not elicit an allergic reaction.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.