Papaverine prevents 

The ventricular catheter of a VP shunt is placed in the

The most common lumbar disc herniation occurs at 

Cranial nerve responsible for vision is 

The spinal cord ends at 

A bundle of nerve fibers within the spinal cord is called a 

The bone graft for ACDF is commonly taken from the 

A certain gas has a pressure of 0.761 atm.  What is its pressure in psi? (1 atm = 14.70 psi)

The craniotome uses

The flattened part of the vertebral arch is the