Glossary
E
E
EDEMA
- An excessive accumulation of fluid generally in extracellular.
EDWARDS
- A posterior rod and sleeve device used in stabilization of traumatic
spinal conditions.
EGGSHELL
- Excavation of vertebral body for correction of deformity that
is combined with spinal fusion.
ELECTROENCEPHALOPGRAPHY
(EEG) - The study of the electrical currents set up by brain actions;
the record made is called an electroencephalogram.
ELECTROMYOGRAPHY
(EMG) - A method of recording the electrical currents generated
in a muscle during its contraction.
ENCEPHALOCELE
- Protrusion of the brain through a cranial fissure.
ENDARTERECTOMY
- Removal of fatty or cholesterol plaques and calcified deposits
from the internal wall of an artery.
ENDOCRINE
GLAND - A gland which furnishes an internal secretion, usually having
an effect on another organ.
ENDOCRINOPATHY
- Any disease due to abnormality of quantity or quality in one or
more of the internal glandular secretions.
ENDOGENOUS
- Arising within or derived from the body.
ENDOSCOPE
- A medical device for viewing internal portions of the body. It
is usually comprised of fiber optic tubes and video display instruments.
ENDOSCOPY
- Inspection of internal body structures or cavities using an endoscope.
EPENDYMA
- The membrane lining the cerebral ventricles of the brain and central
canal of the spinal cord.
EPENDYMOMA
- A growth in the brain or spinal cord arising from ependymal tissue.
Tumor of the spinal cord.
EPIDURAL
- Immediately outside the dura mater. Same as extradural.
EPIDURAL
HEMATOMA - A blood clot between the dura mater and the inside of
the skull.
EPILEPSY
- Disorder characterized by abnormal electrical discharges in the
brain, causing abnormal sensation, movement or level of consciousness.
ESOPHAGUS
- Portion of the gut between the mouth and in the anterior neck.
EXCISION
- Removal by cutting away material.
EXTRADURAL
- On the outer side of the dura mater.
EXOGENOUS
- Originating outside of the body.
EXTENSION
- The act of bringing the distal portion of a joint in continuity
(though only parallel) with the long axis of the proximal portion.
EXTRUSION
- Displaced material reaches the spinal canal through fibers of
the annulus, but remains connected to the central dis material.
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