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58 Cards in this Set

  • Front
  • Back
How many bones make up the vertebral column?
26
How many true vertebrae are there?
24
How many total vertebrae are there?
33
List the five funcitons of the vertebral column
vertical support
support head
upright position
weight transfer
protect spinal cord and allow passage of spinal nerves
From superior to inferior list the five regions and note how many vertebrae are in each
cervical 7
thoracic 12
lumbar 5
sacral 5
coccygeal 4
from superior to inferior list the four curvatures of the spine as seen in a lateral view
cervical
thoracic
lumbar
sacral
what curves develop in the womb?
primary
-thoracic
-sacral
what curves develop after birth?
secondary
-cervical
-lumbar
What is the anterior, cylindrical weight-bearing portion of a vertebra?
body
what two lateral structures of a vertebra formt he pillars of the passageway for the spinal cord?
pedicles
On a vertebra what structures extend from the lateral pillars to the midline?
laminae
Together the posteriorly projecting pillars and the extensions to the midline form what structure?
vertebral arch
together the posteriorly projecting pillars and the extensions to the midline form what passageway within a vertebra?
vertebral foramen
The vertebrae form what collective passageway for the spinal cord?
vertebral canal
adjacent vertebrae form what passageways for spinal nerves?
Intervertebral foramina
what posteriorly projecting structures of the vertebrae can be palpated?
spinous processes
What lateral projections occur on each vertebra
transverse processes
what processes of a vertebra form synovial joints with the vertebrae immediately superior and inferior it?
articular processes
what smooth, flat articualr surfaces occur on a vertebra?
articular facets
What are the pads of fibrocartilage between vertebrae?
intervetebral discs
what is the outer ring of fibrocartilage within an intervertebral disc?
annulus fibrosus
What is the inner, circular region of an intervertebral disc?
nucleus pulposus
What is the relative size of the cervical vertebrae?
small
What is the shape of the spinous processes of C1-C6?
Bifid
What openings in the cervical vertebrae allow the passage of the vertebral arteries and veins?
transverse foramina
What is another anatomical term for C1?
atlas
What is another anatomical term for C2?
axis
During development of the body of C1 fuses to C2 to form what structure?
Dens
What is another anatoical term for spinous process of C7?
Vertebra prominens
What is the general shape of the bodies of T1-T12?
Heart
What is a distinguish characteristic of many of the thoracic vertebrae?
long, inferiorly projecting spinour process
Thoracic vertebrae can be distinguished from all other vertebrae by what features?
costal facets or demifacets
What direction are the articular surfaces of the thoracic vertebrae oriented?
anterior and posterior, movement anterior and posterior
what is the general shape of the bodies of lumbar vertebrae?
oval
What are characteristics of the spinour processes of the lumbar vertebrae?
thick, directed posteriorly
What direction are the articular surfaces of the lumbar vertebrae oriented
medial and lateral
What is the anatomical term for the anterior, superior bulge of the sacrum?
sacral promontory
What paired openings occur on the anterior surface of the sacrum?
anterior sacral foramina
The spinous processes of the sacrum form what structure?
median sacral crest
What are the paired openins on the posterior side of the sacrum?
Posterior sacral foramina
What lateral structures of the sacrum articulate with the ossa coxae?
auricular surface
What structures make up the thoracic cage?
ribs
sternum
What is the anatomical term for the breastbone?
sternum
What are the three main parts of the sternum?
manubrium
body
xyphoid process
What are the depressions on the sternum for the articulation of the clavicles
clavicular notches
What is the shallow, superior depression on the sternum?
sternal notch
What depressions on the sternum do the ribs articulate with?
costal notches
What palpable feature lies at the articulation of the manubrium and the body of the sternum
sternal angle
How manly ribs are there?
12 pairs=24
What ribs have their costal cartilages directly articulated with the sternum?
true ribs
7 pairs
What ribs do not have their costal cartilages directly articulated with the sternum?
false ribs
7 pairs
What type of rib has no connection with the sternum?
floating ribs
2 pairs
What part of a rib articulates witht he body of a vertebra?
head
What part of a rib articulates with the transverse process of a vertebra?
tubercle
what part of a rib lies between the head and tubercle
neck
Ribs project posterolaterally from the vertebral column. what is the region of a rib where it changes if direction and begins curving toward the sternum?
angle
What is the main part of a rib?
shaft
What feature on the inferior side of a rib marks the path of an artery, a vain, and a nerve?
costal groove