👉 Lymphadenoids are structures that develop within the lymph nodes. These structures, which are located in the neck and upper chest region of the body, play a crucial role in the immune system by providing a reservoir for circulating lymphocytes (lymph cells) to fight off infections, cancerous growths, or other diseases. Lymphadenoids can be divided into two main types: primary and secondary. Primary lymphadenoids are located in the axilla, neck, and upper chest regions of
