Neurosurgical Terms - Chapter 6 Flashcards
Facet
A small, smooth-surfaced end of a bony projection (articular process) that functions as part of a joint.
Facet joint
Each of four joints formed above, below, and on either side of a vertebra. The lower bony projection of one vertebra meets the upper projections of the vertebra below it, forming facet joints.
Facetectomy
Surgical removal of one of the facets; excision of a facet joint.
Falx cerebri
An extension of dura between the right and left hemispheres of the brain.
Fontanelle
Normal openings in the skull of infants. The largest of these is the anterior fontanelle, the “soft spot” in the middle of the head.
Foramen
A hole or opening that acts as a passageway for nerves or blood vessels.
Foraminotomy
Surgical enlargement of the foramen/foramina.
Fractionated therapy
Stereotactic radiation that is given in multiple lower-dose treatments rather than in a single session.
Fusiform aneurysm
A sausage-like enlargement of the blood vessel.