Brain and medulla spinalis are the 2 most vital parts of the systema nervosum. It acts as a relay. It transmits information to different parts of the body. The actions taken by the body is due to the knowledge given by the systema nervosum. this technique is split into two subcategories - central systema nervosum and peripheral systema nervosum. Together, they create sure our body is functioning fine. Some diseases prevent this technique from working in a normal manner. The branch of drugs which deals with the conditions and diseases of the systema nervosum is understood as neurology. When the treatment requires surgical intervention, then neurosurgery comes into play. Following explained are the conditions which are dealt with by a neurosurgeon - • brain tumor It is the condition during which abnormal cells form within the brain. they will either start within the brain or at other places and visit the brain. A malignant neoplasm is cancerous whereas a benign one among non-cance...