Perfusions refer to the infusion of a liquid or solution into a specific area or system of the body. There are various synonyms one can use to describe perfusions, including intravenous infusions, administration of fluids, transfusions, or injections. The process of perfusion is essential in many medical procedures, including surgery, anesthesia, and chemotherapy. Some other synonyms that can be used for perfusions include instillation, drip, transfusion, infusion, and injection. The term perfusion can also be used in a broader sense to describe the continuous flow of blood through the vascular system, which supplies nutrients and oxygen to all the organs in the body.