Thoracic Vertebrae

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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


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