👉 Hypersplenism, also known as "hypersplenomegaly," is a condition in which there is an excessive amount of red blood cells (erythrocytes) circulating within the body. It can occur due to a variety of factors such as genetics, infections, or certain medications. The term comes from the Greek words "hypers" meaning "excess" and "spleen," referring to the spleen, which is a vital organ in the immune system that