Lymph nodes: Difference between revisions
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<references /> | <references /> During periods of illness, lymph nodes tend to swell and increase size in response to the infection. | ||
Revision as of 11:32, 23 October 2018
Lymph nodes are small encapsulated structures that protect the body from foreign antigens. They do this by acting as a filter, trapping the particulate matter in the lymph that percolates through them[1].
Lymph nodes can be many different sizes and contain macrophages and lymphocytes (two different types of leucocytes) within their sinuses. These are essential in the immune system[2].
References
During periods of illness, lymph nodes tend to swell and increase size in response to the infection.