VERTEBRAL - CLASS WED.25th - Q1 Flashcards
What is the total number of vertebrae in the vertebral column?
How may vertebrae are moveable?
- 33 total
- 24 move.
How many vertebrae are in the... Cervical Spine? Thoracic Spine? Lumbar Spine? Sacrum? Coccyx?
C (7) T (12) L (5) Sacrum (5 fused) Coccyx (4 fused)
What are ‘Intervertebral Discs’? (IVDs)
Fibrocartilaginous discs between vertebrae
Between which vertebrae does NOT contain a disc (IVDs)?
C1 and C2
Fibrous outer portion of IVDs is called?
Annulus Fibrosus
Jelly inner portion of IVDs is called?
Nucleus Pulposus
Anterior curvature of spine is called?
Lordotic
Posterior curvature of spine is called?
Kyphotic
Which vertebral columns are Lordotic?
Cervical / Lumbar
Which vertebral columns are Kyphotic?
Thoracic / Sacral
Which vertebral column are termed ‘Primary’ and formed during the fetal period?
Thoracic / Sacral
Which vertebral column are termed ‘Secondary’ and forms once infant lifts head/walks?
Cervical / Lumbar
What structure encloses the vertebral foramen?
Vertebral Arch
This arch projects posteriorly on both sides of the superior aspect of the vertebra body, is known as?
Pedicles
What structure is projecting posteriorly from the 2 Pedicles?
Laminae
Projecting posteriorly from the Laminae as they meet, it forms a structure called?
Spinous Process
Describe ‘Articular Processes’.
- 4 processes (2 superior/2 inferior)
- Arising superiorly and inferiorly from arch
Describe ‘Articular Facets’.
Inferior facets articulate with superior facets of next lower vertebra
Articular Facets form a joint known as?
Zygapophysial Joints
The space between the superior and inferior articular processes is called?
Pars Interarticularis
2 processes projecting laterally from the arch are known as?
Transverse Processes
The vertebral notches of 2 adjacent vertebrae form an almost complete ring called?
Intervertebral Foramen
The Vertebral Foramen is a passageway for?
Spinal Cord
What exits from the Intervertebral Foramen?
Spinal Nerve
The Transverse Foramen is a passageway for?
Vertebral Artery
The Upper Cervical Spine consist of?
C1 / C2
The Lower Cervical Spine consist of?
C3 - C7
True or False?
- The Pars Interarticularis are common to fractures.
True
A ‘bony ring’ supporting the occipital region of skull, is known as which vertebra?
C1 (the Atlas)
What ligament connects the 2 lateral masses and divides the vertebral foramen into a posterior/anterior portions on C1?
Transverse Ligament of Atlas
True or False?
C1 (Atlas) Does not have a vertebral body and a spinous process
True
What type of joint is the Anterior Articular Facets of C2 (Axis)?
Pivot Joint
Define ‘Bifid’.
Split into two parts
Which vertebrae are “Bifid”?
SP C2-C6
An upward bony projection on the posterolateral rims of the vertebral body are called?
Uncinate Process
Which joint provides stability to the cervical spine, projecting upward articulating with the next higher vertebra?
Uncovertebral Joints
The anterior aspect of C6 has a tubercle called?
Carotid Tubercle
What does the Uncovertebral Joints prevent?
- Excessive lateral tracking
- Shearing of vertebral artery
What is an “aka” for Uncovertebral Joints?
Joints of Lushka
