Installing a standard ball trailer hitch on a tow vehicle can cost $200-$500 or more. A spare tire typically costs $20-$200 or more, depending on size and type, a bolt-on spare tire carrier adds $15-$100 or more.
Hydrocephalus is the buildup of fluid in the cavities (ventricles) deep within the brain. The excess fluid increases the size of the ventricles and puts pressure on the brain. Cerebrospinal fluid normally flows through the ventricles and bathes the brain and spinal column.
Congenital hydrocephalus. Congenital hydrocephalus (when a baby is born with the condition) may be the result of a defect in the development of the brain that restricts the flow of CSF. This can be caused by certain health conditions, such as spina bifida.