Tag #ImmuneSystem

Lymph nodes

Introduction Lymph nodes are small, bean-shaped structures that are part of the body’s lymphatic system. They play a crucial role in the immune system by filtering lymph fluid and trapping bacteria, viruses, and other harmful substances. Lymph nodes are found…

Swollen lymph nodes

Introduction Swollen lymph nodes, also known as lymphadenopathy, occur when the lymph nodes become enlarged, usually in response to infection, inflammation, or, less commonly, more serious conditions. Swollen lymph nodes are a common sign that the body’s immune system is…