Polyaxial screw

Noun

Definitions

1.NounA 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.

Synonyms

axoid screw elevator spondylodesis spondylectomy aspidospondyly arthrotome scoliotone axis osteoclast swivel joint synapophysis spondyl

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