+**Tonsils** are pairs of [lymphoid tissue](/wiki/Lymphoid_tissue) positioned at the back of the [throat](/wiki/Throat). They serve as sentinels, trapping pathogens and aiding the [immune system](/wiki/Immune_system) in its defense against infection.
+## See also
+- [Adenoids](/wiki/Adenoids)
+- [Immune System](/wiki/Immune_System)
+- [Infection](/wiki/Infection)
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