The lymphatic system, made up of lymphoid tissues known as nodes and vessels, is part of the human immune system. It is involved in protecting the body against infection, by delivering immune cells, ...
The moon's shadow only hits the Earth when the line of nodes is pointed toward the Sun. On Sunday, March 10, at 09:00 UTC (5:00 a.m. EDT), our natural satellite will pass between the Earth and the sun ...
The popliteal lymph nodes lie in the tissues behind a person’s knee. Infections and autoimmune conditions can cause them to swell. It is rare for cancer to affect the popliteal lymph nodes. According ...
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