Thoracic Vertebrae
how many vertebrae in thoracic spine?
12
What number thoracic vertebrae are triangular in shape?
3-9
What degree oblique are we able to see the zygapophyseal joints of the thoracic vertebrae?
70-75 degree oblique
What position are the intervertebral foramina best seen?
Left Lateral Thoracic Spine
Function of the spine
Protects the spinal cord and supports the body
All thoracic vertebrae have a process on the anterior surface, a concave facet for articulation with the rib, except
T11 and T12
which thoracic spine have superior and inferior demi facets?
T2-T8
Spinous processes overlap eachother from __________ and are __________
T5-T9, long
Costotransverse Joint
Tubercle of rib with transverse process of vertebra
The body's of the spine are directed
anteriorly
Which way do the zygapophyseal joints open?
anteriorly
facet
articulating surface
thoracic pedicles
directed posteriorly from the body, form anterior portion of the vertebral arch
PA oblique side _________________ is demonstrated
down
thoracic vertebrae on their transverse processes have a _____________ used for ________________________________
facet, articulation with the tubercle of the rib (costotransverse joint)
Laminae
forms posterior portion of the vertebral arch
demi facets
half facet for articulation with head of rib
Costovertebral Joint
head of rib with body of vertebra
Vertebral notches form
intervertebral foramina
Demi facets found
on the body of the thoracic vertebrae
where are vertebral notches found?
on the pedicles
Vertebral Notches are _________________, ______ degrees to mid-sag
perpendicular, 90
costal facet on thoracic vertebrae articulates with
the head of the rib
AP oblique side _____________ is demonstrated
up
Singular form of spine
vertebra
Plural form of spine
vertebrae
Cauda Equina
where the spinal cord nerves come out, terminal end of spinal cord, also known as horses tail
Do thoracic vertebrae increase in size from 1-12?
yes
superior and inferior articulating processes form
zygapophyseal joints
