FACET ARTHROPATHY - a degenerative
disease affecting the facet joint.
FACECTOMY - Excision of an articular facet of a vertebra.
FACET TROPISM - Asymmetrical orientation of the facets
comparing right to left side.
FAILURE of SEGMENTATION - Failure of a portion or all
of two or more adjoining vertebrae to separate into
FALX (CEREBRI) - An extension of dura between the right
and left hemispheres of the brain.
FATIGUE - That state, following a period of mental
or bodily activity; characterized by a lessened capacity
for work and reduced efficiency of accomplishment, usually
accompained by a feeling of weariness, sleepiness, or
FATIGUE FRACTURE - A fracture that occurs in bone or
in other materials. Including metal, as a result of
repeated stress as opposed to a single injury.
FENESTRATION (of cyst) - Surgical creation of window-like
FIBROSIS - The replacement of normal tissue with scar
FIBROMYOSITIS - Chronic inflammation of a muscle with
an overgrowth, or hyperplasia, of the connective tissue.
FISSURE - A groove or natural division, deep furrow
in the brain.
FLATTENING of NORMAL LUMBAR CURVE - Condition in which
the hollow of the back becomes shallow or even stright.
FLEXION - The act of flexing or bending; bending of
a joint so as to approximate the parts it connects.
FONTANELLE - Normal openings in he skull of infants;
the largest of these is the anterior fontanel or "soft
spot" in the middle of the head.
FOOD AND DRUG ADMINISTRATION (FDA) - The USA Federal
government agency that has regulatory authority over
the manufacture, distribution, and labeling of drugs,
medical devices, and foods.
FONTANELLES - "Soft spots" of the infant's
head, normal unossified areas in the infant skull.
FORAMEN - A natural opening or passage in bone. An
opening allowing for the egress of spinal nerve roots
from between two vertebrae.
FORAMINOTOMY - Surgical opening or enlargement of the
bony opening traversed by a nerve root as it leaves
the spinal canal. A procedure carried out alone or in
conjunction with disc surgery.
FRACTURE - A disruption of the normal continuity of
FRACTURE-DISLOCATION - Fracture of a bone that is also
dislocated from its normal position in a joint.
FUNCTIONAL SCOLIOSIS - Any scoliosis that is caused
by leg length or other functional disorder and not by
a primary curvature of the spine.
FUNCTIONAL STEREOTACTIC NEUROSURGERY - Surgery intended
to improve the function of the central nervous system.
A stereotactic head frame is used along with imaging
techniques to map the brain and localize the surgical
FUSIFORM ANEURYSM - A sausage-like enlargement of the
FUSION - Union or healing of bone (see Arthrodesis).
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