Thoracic Vertebrae Flashcards
Where is the thoracic segment?
Caudal to cervical segment
Where is thoracic vertebrae located?
In the middle of the vertebral column, between the cervical bones (above) and the lumbar vertebrae (below)
How many thoracic vertebrae are there?
12
What plane are the articular facets oriented close to?
Coronal plane
What direction do the spinous processes point?
Inferiorly
Where and what does the thoracic vertebrae articulate with?
Articulate with each other at the inferior and superior articular facets and discs
With the ribs at the inferior and superior costal demi facts and transverse costal facets
What two structures form intervertebral foramen?
Superior and inferior vertebral notch
What facets do the ribs join the transverse processes?
Transverse costal facets
Where are the superior and inferior demi facets located
They are half facetsa and articulate with the ribs
Where do the ribs sit in relation to the demi facets?
One rib sits between 2 bodies at one demi facet
Whats unique about T1
Single superior costal facet
How many demi facets do T2-T9 have?
2
How many whole costal facets does T10 have?
1 ad it points superiorly
What is unique about T11 and T12’s facets?
Both have no transverse costal facet and have one single complete superior facet
Describe the morphology of 12
It’s transitional with a spinous process that is more lumbar with short transverse processes and inferior articular facets that curse and deviate inferiorly
