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glossary:lymphatic_tissue [2012/10/16 14:40] (current)
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|+||A part of the body's immune system that helps protect it from [[bacteria]] and other foreign entities.|
|+||Lymphatic tissue is rich in [[lymphocytes]] (and accessory cells such as [[macrophage]]s and [[reticular cells]]). The lymphatic tissue includes the [[lymph nodes]], [[spleen]], [[tonsils]], [[adenoids]] and the [[thymus]] (an organ in the chest that is particularly large during infancy).|
|+||A [[tissue]] in medicine is not like a piece of tissue paper. It is a broad term that is applied to any group of cells that perform specific functions. A tissue in medicine need not form a layer. Thus, the [[bone marrow]] is also a tissue.|