Definition: Lymphopoiesis is a biological process that involves the production of lymphocytes, which are white blood cells. These cells play a crucial role in the immune system by producing antibodies and other proteins that help to fight off infections and diseases. Lymphopoiesis can be divided into two main stages: hematopoiesis, which occurs during fetal development, and lymphoid formation, which occurs as adults. In the hematopoiesis stage, cells from the bone marrow are separated and specialized