bronchus-associated lymphoid tissue


Also found in: Dictionary, Thesaurus, Acronyms, Encyclopedia.
Related to bronchus-associated lymphoid tissue: Gut associated lymphoid tissue

bronchus-associated lymphoid tissue (BALT),

patches of lymphoid tissues composed mainly of B and T lymphocytes and extending throughout the bronchial airways of the lung.
Farlex Partner Medical Dictionary © Farlex 2012

bronchus-associated lymphoid tissue

Lymphoid tissues of the hilar and peribronchiolar region, which produces IgA specific for inhaled antigens.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

bronchus-associated lymphoid tissue

Abbreviation: BALT
Lymph nodules that contain clusters of T and B lymphocytes and macrophages within the mucosa of the bronchial wall; a component of the mucosal immune system that defends all mucosal surfaces against pathogens.
See: mucosal immune system
See also: tissue
Medical Dictionary, © 2009 Farlex and Partners