vertebral column Flashcards
regions
regions
Cervical (7)
Thoracic (12)
Lumbar (5)
Sacral (5)
Coccyx (4, sometimes 3 – fused)
general features
Vertebral canal
Intervertebral foramina
Intervertebral discs
vertebrae characterstics
Body (centrum)
Vertebral arch: -Lamina -Pedicles
Vertebral foramen
Spinous process
Transverse processes
Superior and inferior articular processes and facets
specialized vertebrae
atlas
axis
atlas
C1
absence of body - instead has 2 lateral masses
facet for dens
posterior tubercle
axis
C2
dens (odontoid process)
has all other features of cervical vertebrae
cervical vertebrae C?
(C1-C7)
(C1-C7)
Transverse foramina
bifid spinous process (C2 to about C5)
vertebra prominens on C7
oblique angle of spinous processes
thoracic vertebrae
(T1-T12)
(T1-T12)
absence of special cervical features
demi-facets: for head of rib on body of vertebrae
articular facets : for tubercle of rib on transverse process of vertebrae
lumbar vertebrae
(L1-L5)
(L1-L5)
absence of special cervical or thoracic features
large
articular facets on sagittal plane
sacrum
(S1-S5)
(S1-S5)
body of 1st sacral vertebra median sacral column (anteriorly)
median sacral crest (posteriorly)
superior articulating processes and facets
sacral foramina (anteriorly & posteriorly)
sacral canal (superiorly)
sacral hiatus (inferiorly) articular (auricular) surface
transverse lines (ridges - anteriorly)
alae
coccyx
(Co1-Co4)