Facet block: An injection used to numb a
spinal joint or facet.
Facet
joints: The joints on the posterior part of the spine
between the lamina.
Facetectomy:
A surgery to remove all or part of a facet joint.
False
positive: A result of a medical test that incorrectly
shows a positive finding.
Fascia:
A dense fibrous layer within the body.
Fascial
sutures: Sutures used to close and repair the fascia,
typically of the spine after a surgery.
Fascicle:
An individual internal element of a nerve.
Femoral
nerve: Large nerve that innervates the quadriceps
muscles on the anterior surface of the thigh.
Femur:
The main upper leg bone from the hip to the knee.
Fibrocytes:
Cells that produce fibrous material or scar.
Fibrosis:
Scarring or the development of excess fibrous tissue in the
body.
Fibula:
A bone on the outer or lateral aspect of the lower leg between
the knee and the ankle, that is much smaller than the main
weight-bearing bone, the tibia.
Filum
terminale: A small fibrous thread extending from
the low end of the spinal cord at the L 1 level often as far
as the sacrum.
Fixation:
Holding structures in place.
Flexion:
Bending forward.
Flexion/extension
X-ray: Two X-rays taken of the spine, typically one
with the body or neck flexed forward and one with the body
or neck extended backwards.
Fluoroscopy:
X-ray imaging in involving a fluorescent screen, typically
observed in real time by a video camera, for motion X-rays.
Foot
drop: Inability to lift or elevate the foot by dorsiflexion
at the ankle. the can be caused by problems affecting the
peroneal nerve, the sciatic nerve or the lumbosacral spinal
nerves.
foramen:
Tube, opening or canal.
Foramen
magnum: The opening in the bade of the skull.
Foramen
magnum syndrome: A headache syndrome involved with
a malformation at the base of the brain and skull and skull,
with the cerebella tonsils, or the low end of the cerebellum,
passing through the foramen magnum and compressing the spinal
cord and blocking spinal fluid flow.
Foraminotomy:
Surgery to open or expand the spinal formen to increase the
space for a nerve root to pass from the spinal canal out to
the body.
Fusion:
Causing two bones to grow together into one.
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