spinal anatomy Flashcards
cervical has ___ bones
7
thoracic has ___ bones
12
lumbar has ___ bones
5
sacral has ___ bones
5 fused to form the sacrum
coccygeal has ___ bones
4, 3 lower ones are often fused
which physiological concavity does pregnant women normally have
lordosis
which physiological concavity does older people normally have
kyphosis
functions of vertebral column
- central pillar for muscular attachments
- protects spinal cord
- flexibility
which two regions are part of lordosis
cervical and lumbar
which two regions are part of kyphosis
thoracic and sacral
general characteristics of vertebrae
body
vertebral arch
vertebral foramen
spinous process
transverse process
pedicles
laminae
which vertebrae region has bifid spine
cervical
where is the external occipital protuberance (oep)
above c1
two major types of joints between vertebrae
symphyses between vertebral bodies
synovial joints between articular processes
two parts of intervertebral disc
nucleus pulposus is surrounded by outer anulus fibrosus