UrbanDictionary: Medical Assistant = Also known as a "MA". Someone who has most all the skills and usually better bedside manner then a nurse, unfortunatly paid significantly less. The Medical Assistant is usually the person in the office you see most and spends the most time with the patient. Medical Assistants can usually be found being barked at my the nurses or doctors for a mistake they made, but want someone else to blame.
Medical Assistant is usually called a nurse by the public.