Axial Skeleton: Vertebral column Flashcards
What are the 5 regions of the vertebral column (spine)?
Cervical
Thoracic
Lumbar
Sacral
Coccygeal
Cervical vertebrae
neck
-1st set of 7 vertebrae comprising the neck
Thoracic vertebrae
chest
-2nd set of 12 vertebrae
Lumbar vertebrae
lower back
-3d set of 5 vertebrae
Sacral vertebrae
Pelvic
-4th set of 5 vertebrae
[fused by 25-30 years of age]
coccygeal vertebrae
tailbone
-5th and last set of usually 4 vertebrae
What are the 2 specialized cervical vertebrae?
- Atlas: C1 [shaking head yes]
- Axis: C2 [shaking head no]
identify B
vertebral foramen
Identify C
body
Identify A
spinous process
identify G
pedicle
identify this:
sacral vertebrae
identify #1
manubrium [of sternum]
identify #3
xiphoid process [of sternum, missing from this bone, underneath body, triangle shaped]
identify #2
body [of sternum]
Identify A, B, C
A: Spinous process
B: vertebral foramen
C: lamina
identify D, E, F
D: pedicle
E: superior articular process
F: transverse process
identify G, i, J
G: body
I: transverse foramen
J: inferior articular process
what region is this from?
thoracic vertebrae
(giraffe)
identify A, B, C
A: spinous process
B: vertebral foramen
C: transverse process
identify D, F, G
D: superior articular process
F: body
G: pedicle
identify H and j
h: lamina
j: inferior articular process
identify i, e, k
I: costal facet of transverse process
e: superior facet
k: inferior facet
Identify A, B
A: spinous process
B: Vertebral foramen
what region is this from?
lumbar
identify C, D, and H
C: superior articular process
D: transverse process
H: inferior articular process
identify E, F, G
E: body
F: pedicle
G: lamina
identify F
coccyx
identify A
sacral promontory
identify C
sacral ala (lateral mass)
identify E
sacral foramina (anterior)
what is it pointing to?
apex
identify the arrow
sacral canal
what is it pointing to?
sacral hiatus
what is it pointing to?
sacral cornua
identify B, C, D
B: head
C: neck
D: tubercle
Name and # of the first cervical vertebrae
Atlas C1
Ribs 11 and 12 are anatomically referred to as:
vertebral
-False/floating
Ribs 1-7 are :
Vertebrosternal
-true ribs
Ribs 8-10 are :
vertebrochondral
-false ribs
identify 4 and 5
4: tubercle
5: head
what is unique about the first cervical vertebra (Atlas C1)?
it has no body or spinous process
-allows nodding yes motion