What does LLT mean in UNCLASSIFIED

What Does LLT Mean?

Local Lymphoid Tissue (LLT) is any area of tissue within the body that contains lymphocytes, which are a type of white blood cell important for fighting off infections and other foreign substances in the body. The lymphocytes found in LLT can be either B cells or T cells, both essential components of the immune system. B cells are responsible for producing antibodies that fight off infection while T cells recognize and respond to specific foreign substances in the body. Common types of local lymphoid tissue include primary organs like thymus and spleen, as well as secondary organs like tonsils, adenoids, Peyer's patches throughout the intestine, and lymph nodes located under the arms and around various parts of the body.

Functions of LLT

Local lymphoid tissue plays an important role in protecting us from infection by creating an immunological barrier between us and any potentially harmful organisms we come into contact with daily. In addition to this immunological protection, local lymphoid tissue also aids in regulating inflammation response within our bodies when coming into contact with foreign substances such as pollen or bacteria. This includes producing cytokines like interferons which help contain inflammation-causing agents thus keeping them from spreading throughout our bodies. Lastly, local lymphoid tissue helps create memory within our immune systems by allowing our B and T cells to remember antigens they have encountered before so that they can more effectively respond if re-encountered again later on down the line.