The "P Blood Group Systems" refer to a set of antigens found on the surface of red blood cells. These antigens are widely known as the P antigens and play a crucial role in blood transfusions and genetic research. Synonyms for the term "P Blood Group Systems" include the "P antigen system" or simply the "P system". These alternatives describe the same set of antigens within the blood, providing researchers and medical professionals with interchangeable terminology to discuss this specific blood group system. Understanding these synonyms can aid in clearer communication and comprehension within the field of blood banking and transfusion medicine.