Spinal Column Flashcards
how many true vertebrae are there?
24
33 if separate 5 sacrum and 4 coccyx
curvature of the spine
scoliosis
greater curvature to the left
to the right
levoscoliosis
dextroscoliosis
rotated vertebral bodies
rotoscoliosis
what 2 parts is the intervertebral disc composed of?
Annulus fibrosus & nucleus pulposus
outer fibrocartilaginous disk, thicker anterior thinner posterior
annulus fibrosus
component of intervertebral disk with central soft mass
nucleus pulposus
“slipped disk”
herniated nucleus pulposus (HNP)
what are the 2 main parts of a typical vertebra
body & vertebral arch
what are the parts of the vertebral arch?
2 laminae and 2 pedicles
what makes up the vertebral foramina?
vertebral arch & body
pathology when laminae don’t connect
spina bifida
hemiation of spinal cord & meninges through the posterior vertebral column
myelomenigocele
what do the 4 articular processes arise from?
junction of the pedicles and laminae
what forms the zygapophyseal joints?
superior & inferior articulations