Partial Discectomy
Removal of a small portion of the disc, frequently the portion which is ruptured.
Paramagnetic Contrast
Material for MR imaging, also known as Gadolinium or Gad. It is used to distinguish between a disc protrusion and scarring.
Pedicle
The portion of the vertebrae which connects the lamina to the vertebral body. Frequent site of screw placement.
Plate
Flat metal object usually made of titanium with holes for screws to be used in the front of the spine.
PLIF
Posterior lumbar interbody fusion. A posterior anatomical description which refers to the back of an object.