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polyaxial screw
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has an article on:
polyaxial screw
Wikipedia
Noun
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polyaxial
screw
(
plural
polyaxial screws
)
(
surgery
)
A screw used for connecting
vertebrae
to
rods
in
spinal
surgery
, having a
spherical
head
enclosed in a
housing
that allows a range of
motion
along several different
axes
relative to the housing.
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en:Surgery
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