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Forward displacement of one of the lower lumbar vertebrae over the vertebra below it or on the sacrum.

[New Latin spondylolisthēsis : Greek spondulos, vertebra + Greek olisthēsis, dislocation, slipping (from olisthanein, to slip).]
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Noun1.spondylolisthesis - a forward dislocation of one vertebra over the one beneath it producing pressure on spinal nerves
dislocation - a displacement of a part (especially a bone) from its normal position (as in the shoulder or the vertebral column)


n. espondilolistesis, desplazamiento anterior de una vértebra sobre otra, gen. la cuarta lumbar sobre la quinta o ésta sobre el sacro.
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Those patients with bilateral spondylolysis and with anterolisthesis showed associated degenerative changes including end plate sclerosis, vacuum discs and facet hypertrophy (Fig.
In addition, left lateral listhesis of L2 on L3; grade 1 anterolisthesis of L4 and L5; and surgical changes which included posterior fusion hardware with bilateral pedicle screws in L3 and L5 were also seen.
They concluded that facet joint sagittalization (decreasing convergence of the facet joints in the axial plane) from 52.7 to 67.1[degrees] can lead to subsequent development of anterolisthesis with concomitant adjacent instability [29].

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