Lymph nodes are part of the immune system. As such, they are most readily palpable when fighting infections. Infections can either originate from the organs that they drain or primarily within the lymph node itself, referred to as lymphadenitis.
Lymphadenopathy pathophysiology
Parotitis pathophysiology
Lymphadenopathy causes
Appendix cancer pathophysiology
Lymphangitis pathophysiology
Lymphadenopathy risk factors
Gastritis pathophysiology
Lymphangitis risk factors