MAVS stands for the "Major Vascular Access Site", which is a medical term used to refer to the primary site that is used to access the patient's blood supply for medical treatments and procedures. There are several synonyms for this term, including "central venous access", "central line", "peripherally inserted central catheter (PICC)", and "arterial line". These terms refer to different ways in which medical professionals access a patient's circulatory system for different types of treatments. MAVS is commonly used for chemotherapy and long-term medication administration, whereas arterial lines are used for continuous blood pressure monitoring. Understanding the different synonyms for MAVS is important for medical professionals to be able to communicate effectively with one another and provide the best care for their patients.