This page details the lymphatic system's components, highlighting the major lymph node clusters (cervical, inguinal, thoracic, axillary) and key structures like the thoracic and right lymphatic ducts,...This page details the lymphatic system's components, highlighting the major lymph node clusters (cervical, inguinal, thoracic, axillary) and key structures like the thoracic and right lymphatic ducts, cisterna chyli, spleen, and tonsils (pharyngeal, palatine, lingual, tubal). It also reviews the histological features of lymph nodes (medulla, cortex, hilus, vessels) and spleen (white and red pulp), along with Peyer’s patches as part of mucosal-associated lymphatic tissue (MALT).