Chapter 6 Part 2b Axial Skeleton Flashcards
What are the four sections of the vertebral column?
cervical
thoracic
lumbar
sacrum
How many bones in the cervical spine?
7
How many bones in the thoracic spine?
12
How many bones in the lumbar spine?
5
How many fused bones in the sacrum?
5
Name the pink highlighted region
cervical spine
Name the pink highlighted region
thoracic spine
Name the pink highlighted region
lumbar spine
Name the pink highlighted region
sacral curve
What bones does the sacral curve articulate with?
pelvic bones
Name the pink highlighted region
coccyx
How many bones are fused together in the coccyx?
4
Name the pink highlighted part
vertebral body
Name the pink highlighted part
intervertebral disc (IVD)
name the pink highlighted part
joints
How are the cervical spine bones labeled?
C1 - C7
Name the pink highlighted part
foramen
Name the pink highlighted part
vertebral body
Name the pink highlighted part
bifid spinous
What is the name of C1?
atlas
What is the name for C2?
axis
What is unique about C1?
has no bifid spinous
has no vertebral body
it rotates around the C2 (axis)
What is unique about C2 (axis)?
it has a dens, which is a part that sticks up into the foramen of the C1
What do the thoracic vertabrae connect to?
ribs
Name the pink highlighted section of the thoracic vertebrae
transverse process
Name the pink highlighted region of the thoracic vertebrae
spinous process
Name the pink highlighted region of the thoracic vertebrae
vetebral body
Name the pink highlighted region of the thoracic vertebrae
intervertebal disc
Name the pink highlighted part of the thoracic spine
spinal nerve
Name the pink highlighted part of the lumbar vertebrae
superior articular facet
What comes through the foramen in the sacrum?
nerves
What vertebrae sits on top of the sacrum in the pink highlighted section?
L5
Posteriorly, where do the ribs extend from?
T1-T12
Anteriorly, where do the ribs extend from?
sternum
How many ribs are there?
12 on each side
Do ribs 11 and 12 touch the sternum?
no
What are ribs 11 and 12 referred to as?
floating ribs
