immunoglobulin A deficiency


Also found in: Medical, Acronyms.

immunoglobulin A deficiency

[‚im·yə·nō‚gläb·yə·lən ¦ā di′fish·ən·sē]
(immunology)
An immune system disorder in which lower than normal amounts of immunoglobulin A are produced, resulting in increased susceptibility to infections such as chronic sinusitis, chronic pulmonary infections, and digestive problems.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.