Elasticity - Property
of a material or a structure to return to its original form following
the removal of the deforming load.
End vertebra - The
most cephalad vertebra of a curve whose superior surface or transverse
axis and the most caudal vertebra whose inferior surface or transverse
axis tilts maximally toward the concavity of the curve.
Epidural - Situated
upon or outside the dura mater.
Erector spinae - A
muscle group that extends the length of the back and neck, that
arises from the iliac crest, sacrum and lumbar and two lower
thoracic vertebrae and splits in the upper lumbar region into
three divisions.
Essential tremor - Essential tremor belongs to a group of conditions
called "movement disorders" and is the most common
disorder in this group. Essential tremor patients have no symptoms
other than tremor-a rhythmic, shaking movement produced by muscle
contractions which may occur in the hands, head, legs, trunk,
or voice. Essential tremor is a progressive disease and tends
to run in families. Many physicians identify abnormal activity
of brain cells as the suspected mechanism of tremor.
Etiology - Cause
of a disease.
Evert - To
turn outward, or inside out.
Extradural - On
the outer side of the dura mater.
