MALT
MALT (Mucosa-associated lymphoid tissue)
MALT or Mucosa-associated lymphoid tissue (pronounced: /mɑːlt/) is a diffuse system of small concentrations of lymphoid tissue found in various submucosal membrane sites of the body, such as the gastrointestinal tract, nasopharynx, thyroid, breast, lung, salivary glands, eye, and skin.
Etymology
The term "MALT" is an acronym derived from the words Mucosa-Associated Lymphoid Tissue. It was first used in the late 20th century to describe the lymphoid tissues that are associated with the mucosa of various organs.
Function
MALT functions as a part of the immune system by protecting mucosal surfaces from foreign pathogens. It is populated by lymphocytes, which are immune cells that can recognize and respond to foreign antigens.
Related Terms
- Lymphoid tissue: A type of tissue in the body that produces lymphocytes.
- Immune system: The body's defense system against infections and diseases.
- Lymphocytes: A type of white blood cell that is part of the immune system.
- Antigens: Substances that can trigger an immune response.
Diseases Associated with MALT
- MALT lymphoma: A type of cancer that originates from MALT.
- H. pylori infection: A bacterial infection that can lead to inflammation and ulcers in the stomach, and is associated with MALT lymphoma.
See Also
- GALT: Gut-associated lymphoid tissue, a subset of MALT.
- BALT: Bronchus-associated lymphoid tissue, another subset of MALT.
External links
- Medical encyclopedia article on MALT
- Wikipedia's article - MALT
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