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Chapter 17 words

QuestionAnswer
atlas the C1 vertebrae; a ring like structure with no vertebral body and a very short spinous process
axis the C2 vertebrae; the ertebrae on which the atlas rotates so the can turn from side to side
dens a tooth or toothlike structure or process; the odontoid process of the axis
facet the articular surface of interertebral joints; are located oneach of the four articular processes that extend superiorly and inferiorly from the vertebral arch
intervertebral disk a pad of fibrocartilage between vertebral bodies that cushions vertebral motion and absorbs shock
kyphotic curve (kyphosis) a posterior convex curvature of the spine
lordotic curve (lordosis) an anterior convex curvature of the spine
scoliosis an abnormal lateral curvature of the spine
stenosis narrowing of a passage way, such as an intervertebral foramen narrowing of a passage way, such as an intervertebral foramen
vertebral body the block like anterior portion of the vertebra
vertebral foramen hole in the right of the vertebra that allows passage for the spinal cord
vertebral notches the concave superior and inferior surfaces of the pedicles
intervertebral foramina the spaces formed by joining with the vertebral notches above and below which allows passage of spinal nerves and blood vessels
zygapophyseal joints the process that extends from the verteral that form gliding (diarthroidal) joint
nucleus pulposis soft and pulpy center of the intervertebral disks
anulus fibrosis tough outer covering of the intervertebral disks
articular pillar the bones of the articular process for a column
transverse foramen a hole in the transverse process that form a passage way for artery and veins
costal/costoertebra joints joint that are formed by the facets that articulate with the ribs
pars interarticularis the narrow segment of bone between the superior and inferior articular processes
scottie dog a configuration that is obtained when the lumbar spine is radiographed in the oblique projection correctly
alae the lateral porions of the first sacral segment and are wing like structures
coccygeal cornua two small bony projections extend superiorly the posterior aspect of the coccyx
sacral cornua two bony projections of the extending from the sacrum
sacralization of L5 when one or both of the spinous processes of L5 become fused
lumbarization sixth lumbar vertebra
spina bifida when the posterior portionsof the neural arched fail to cloe during embyonic development
spina bifida occulta when the spina bifida is insignificant and procuces not symptoms
spina bifida vera when the spina bifida defect is quite larger, leaving the cord unprotected
compression fracture when the bone is compresed causing a wedge
spondylo vertebra
spondylosis refers to fixantion or fusion of vertebrae
spondylitis (Potts disease) inflamation of the spine; term is often applied specifically to tuberculosis disease of the vertebrae
spondylolysis the break down of the structure of the bone; occurs with osteoporosies, with somemetastatic lesions andwith other conditions that cause atropy and bony destructive
spondylolisthesis the anterior displacement of one ertebra on anothercommonly a L5-S1 and is caused by a defect or a fracture of the pars interarticularis or the pedicle
spondyloschisis the term for congenital fissure (split or cleft)
degernatie disk disease when joint becomes inflammed and the surrounding bony structures show sclerotic (hardened) irregular bone margins with hypertrophic tipping and spurring
disk herniation/herniated nucleous pulposes (HNP) slipped disk; a condition where the annulus fibrosuses ruptures and the nucleus is forced into the area posterior to the disk space
Created by: mdtodd