Medical science and Practice of medicine

Medical science noun - The science of dealing with the maintenance of health and the prevention and treatment of disease.

Practice of medicine and medical science are semantically related. In some cases you can use "Practice of medicine" instead a noun phrase "Medical science".

Practice of medicine noun - The learned profession that is mastered by graduate training in a medical school and that is devoted to preventing or alleviating or curing diseases and injuries.

Medical science and practice of medicine are semantically related. You can use "Medical science" instead a noun phrase "Practice of medicine".