
Spondylolisthesis is the forward displacement of a vertebra, especially the fifth lumbar vertebra, most commonly occurring after a break or fracture. Backward displacement is referred to as retrolisthesis. The variant `listhesis,` resulting from division of this compound word, is sometimes applied in conjunction with scoliosis.{MEDRS|date=Januar.....
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http://en.wikipedia.org/wiki/Spondylolisthesis

the forward slip of one vertebral body on the one below it. This may be due to congenital elongation of the pars interarticularis of the vertebra, spondylolysis, degenerative joint disease affecting the intervertebral facet joints, and rarely an acute fracture of the pars interarticularis
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http://orthopaedics.org.uk/service/glossary/

Forward displacement of one vertebra on another.
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http://www.aans.org/Media/Glossary-of-Terminology

forward slipping of one of the vertebrae on the subjacent vertebra or on the sacrum, the triangular bone at the base of the spinal column. The most ... [1 related articles]
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http://www.britannica.com/eb/a-z/s/143

An anterior displacement of a vertebra on the adjacent lower vertebra
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http://www.childrenshospital.org/centers-and-services/centers/orthopedic-ce

forward slip of one vertebral body on the one below it. This may be due to congenital elongation of the pars interarticularis of the vertebra, spondylolysis
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http://www.encyclo.co.uk/local/20605

Forward movement of one building block of the spine (vertebra) in relation to an adjacent vertebra. ... (12 Dec 1998) ...
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http://www.encyclo.co.uk/local/20973

(spon″dә-lo-lis-the´sis) forward displacement of a vertebra over a lower segment due to a congenital defect or fracture in the pars interarticularis, usually of the fifth lumbar over the sacrum, or of the fourth lumbar over the fifth. adj., spondylolisthet´ic., adj.
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http://www.encyclo.co.uk/local/21001

Manifested by an increase in lumbar curvature or by a chronic low back pain with occasional lightening of the hamstring muscles.
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http://www.encyclo.co.uk/local/21681

`Spondylolisthesis” is Greek for spine slippage. Typically, the slip occurs between the lowest lumbar vertebra (L5) and the sacrum. The condition is due to a congenital weakness in the bone on the posterior aspect of the 5th lumber vertebra. This weakness allows the bone to separate during childhood. The lumbar spi...
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http://www.encyclo.co.uk/visitor-contributions.php

Type: Term Pronunciation: spon′di-lō-lis-thē′sis Definitions: 1. Forward movement of the body of one of the lower lumbar vertebrae on the vertebra below it, or on the sacrum. Synonyms: spondyloptosis
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http://www.medilexicon.com/medicaldictionary.php?t=84033

Spondylolisthesis: Forward movement of one of the building blocks (vertebrae) of the spine in relation to an adjacent vertebra. Spondylolisthesis differs in children and adults. In children it is usually of the fifth lumbar vertebra (L5) over the body of the sacrum (S1) due to a congenital malformation of the spine while in adults it is usually of ...
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http://www.medterms.com/script/main/art.asp?articlekey=5535

Spondylolisthesis is the condition in which one vertebral body is slipped forward over another. Spondylolisthesis is most likely caused by an underlying condition of spondylolysis. There are different types of spondylolisthesis, including degenerative, isthmic, dysplastic, traumatic, and pathologic. Isthmic spondylolisthesis is the most common caus...
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http://www.spine-health.com/glossary/s/spondylolisthesis

[
n] - a forward dislocation of one vertebra over the one beneath it producing pressure on spinal nerves
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http://www.webdictionary.co.uk/definition.php?query=spondylolisthesis

the slipping of a vertebra in the spine over the one below it
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https://www.encyclo.co.uk/local/20875
noun a forward dislocation of one vertebra over the one beneath it producing pressure on spinal nerves
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https://www.encyclo.co.uk/local/20974

Ventral subluxation of one vertebral body referable to the next vertebral body
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https://www.encyclo.co.uk/local/23324

A condition in the spine in which a vertebra moves forward over the vertebra below it. It often occurs in the lower parts of the spine (lumbar, for ex.). Can lead to pressure on the spinal cord or nerve roots.
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https://www.orthohealth.com/glossary/

Displacement of a vertebral body on the one below.
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https://www.ucsfhealth.org/education/orthopedic_glossary/
No exact match found.