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