immunoglobulin

immunoglobulin definition - medical

im·mu·no·glob·u·lin (ĭmˌyə-nō-glŏbˈyə-lĭn, ĭ-myo͞oˌ-)

noun Abbr. Ig
Any of a group of large glycoproteins secreted by plasma cells in vertebrates that function as antibodies in the immune response by binding the specific antigens.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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