Osteology vertebral column Flashcards
Types and # of vertebra
Cervical = 7 Thoracic = 12 Lumbar = 5
Sacrum = 5* Coccyx = 4 *eventually fuse
Between vertebra
intervertebral disks
Functionality of vertebral column
houses spinal chord
allows exits for nerves
Antertior part of vertebrae
Vertebral Body
Posterior part of vertebrae
Vertebral Arch
2 Laminae and 2 Pedicles make the
Vertebral arch
7 processies on the vertebral arch?
1 spinous process
2 transverse processes
2 superior articular processes
2 inferior articular processes
Whole between 2 vertebrae from lateral view
intervertebral foreman
purpose of intervertebral foreman
spinal nerve exits
Hole formed from the arch of a single vertebrae?
multiple?
vertebral foreman
Intervertebral foreman made from
Superior vertebral notch and inferior vertebral notch
Name of vertebral foreman when vertebrae are stacked
vertebral column
Travels through vertebral column
spinal cord
C1
atlas
C2
Axis
Extends from the axis, acts as the pivot
Dens (aka Odontoid process)
Location of Dens relative to axis
anterior side
Features of cervical vertebrae
- Forearm of the transverse process (holes for blood vessels)
- Bifid spinous process (split)
- Short spinous process (except C7)
Type of vertebrae with facets for ribs? Names?
Thoracic vertebrae
- facet for head of rib (vert body)
- facet for tubercle of rib (transverse process)
- demi-facet = half the facet
Features of thoracic vertebrae
long spinous process
facets for ribs
looks like giraffe
heart shaped vertebral body
Features of lumbar vertebrae
vertebral bodies huge, kidney shaped
square spinous processes
looks like a moose
Sacrum landmarks
Anterior:
Median, Intermediate, and Lateral sacral crests
Posterior:
Sacral Canal
