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Mucosa-associated lymphoid tissue
The mucosa-associated lymphoid tissue (MALT) (also called mucosa-associated lymphatic tissue) is the diffuse system of small concentrations of lymphoid tissue found in various sites of the body such as the gastrointestinal tract, thyroid, breast, lung, salivary glands, eye, and skin.
Additional recommended knowledge
Populated by T cells, which are well-situated to encounter antigens that enter through the intestinal mucous epithelium. Contain B cells, plasma cells, activated TH cells and macrophages in loose clusters.
The components of MALT are sometimes subdivided into the following:
Role in disease
MALT plays a role in regulating mucosal immunity. It may be the site of lymphoma, usually non-Hodgkin lymphoma. A specific entity is the MALT lymphoma linked to Helicobacter pylori in the stomach.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Mucosa-associated_lymphoid_tissue". A list of authors is available in Wikipedia.|