Vertebral Column Flashcards
What is the name given to the front of the C1 bony ring?
the anterior arch
what osseous modification is observed to the front of the anterior arch of C1?
The anterior tubercle
what is observed on the back of the anterior arch of C1?
the fovea dentis
What attaches behind the anterior arch of C1?
the lateral mass
What is the name of the rounded elevation on the medial aspect of the lateral mass of C1?
tubercle for the transverse atlantal ligamenet
What is IDed in the midline at the back of the posterior arch of C1?
the posterior tubercle
What superior surface modification is present near the posterior tubercle near the lateral mass?
groove/sulcus for the vertebral artery
What superior surface modification is present near the posterior tubercle of the posterior articular process of the lateral mass of atlas?
an arcuate rim
What attaches to the arcuate rim of the posterior arch of atlas and to the superior articular process of the lateral mass of atlas?
a complete ponticulus posticus
Based on the amount of bony union between the superior articualr process and the arcuate rim of C1 what structure will form?
an incomplete or complete ponticulus posticus
what names are given to the opening formed by the pnticulus posticus?
arcuate foramen
what is observed on the undersurface of the posterior arch of C1?
the inferior vertebral notch
What is the name given to the anterior part of the transverse process fo C1?
the costal element
What is the name given to the posterior part of the transverse process of C1?
the true transverse process
What is the distal most part of the transverse process of C1?
the posterior tubercfle
What opening is IDed in the transverse process of C1?
the transverse foramen
What unique vertebral body modification is characteristic of C2?
the dens or odontoid process
what surfaces are present on the odontid process?
facet for fovea dentis, groove for transverse atlantal ligament, attachment sites for the alar ligaments, attachment site fr the apical-dental ligament
What feature is IDed on the anterior surface of the odontoid process of C2?
facet for fovea dentis
What feature is IDed on the posterior surface of the odontoid of C2?
groove for the transverse atalantal ligament
What feature is IDed on the superolateral margins of the odontoid process of C2?
attachment site for apical-dental ligament
What feature is IDed on the tip of the odontoid process of C2?
the longus coli muscle attachment
what feature is IDed on the anterior part of the vertebral body of C2?
the inferior epiphyseal rim and cancellous bone
What feature is IDed on the posterior surface f the inferior epiphyseal ring of C2?
the posterior lip
What features are present at the lateral margins of the inferior epiphyseal rim of C2?
right and left lateral groove
WHAT LIES on the upper surface of the pedicle of C2?
the superior articular process
What is this location of the superrior vertebral notch of C2?
On the lamina pedicle junctions
What feature is IDed on the lower surface of the pedicle of C2?
The inferior vertebral notch or incisure
What osseous parts of the typical cervical traverse process are present at C2?
Costal element, oysters or tubercle and true transverse process
What opening is IDed in the traverse process of C2?
The transverse Foramen
What is the characteristic appearance of the C2 spinous process in humans?
It is bifid
What are the modifications of the superior epiphyseal rim of a typical cervical?
Anterior groove, posterior groove, right and left Uncinate processes
What are the modifications of the inferior epiphyseal rim of a typical cervical?
Anterior lip, posterior lip, right and eat lateral grooves
What attaches to the posterolateral margin and in the center of a typical cervical vertebral body?
The pedicle
What surface feature is located at the upper margin of the pedicle?
Superior vertebral notch
What surface feature is located at the lower margin of the pedicle?
Inferior vertebral notch
What bony feature is attached to the posterior end of the pedicle?
The articular pillar?
What is located at the top of the articular pillars?
The superior articular process
The superior articular process will provide support for what bone feature?
The superior articular facet
What is located at the bottom of the articular pillar?
The inferior articular process
The inferior articular process will provide support for what bone feature?
The inferior articular facet
What is the name of the surface feature observed between the ends of the articular pillar?
The groove/sulcus for the dorsal ramus of a cervical spinal nerve
What bone feature is attached to the posterior part of the articular pillar?
The lamina
What is the direction of projection of the cervical lamina?
Posteromedially
What ligament attaches to the lamina of typical cervical?
Ligamentum flavum
Ossification of the ligamentum flavum at the attachment site on the lamina will result in what feature?
Para-articular process
To what parts of the typical cervical vertebra is the transverse process attached?
The vertebral body and the articular pillar
List, in order, the osseous parts of the typical cervical vertebra transverse process bringing at the vertebral body.
Costal element, anterior tubercle, costotransverse bar, posterior über cel, true transverse process
What is the distal modification of the costal element of a typical cervical vertebra?
The anterior tubercle
What is the distal modification of the true transverse process of typical cervicals?
The posterior tubercle
What body feature connects the anterior and posterior tubercles of a typical recital transverse process?
Costotransverse bar
What is the name given to the superior margin of the costotransverse bar?
Sulcus for the ventral primary ramus of a cervical spinal nerve
What is the name given to the modification of the anterior tubercle of the C6 transverse process?
The carotid tubercle
What is the usual condition for the Caucasian typical cervical spinous process?
They are bifid
What is the usual condition for the African-Amercian typical cervical spinous process?
The are non-bifid
What is the osseous modification at the distal end of e spinous process?
The spinous tubercle
What surfaces are present on the superior epiphyseal rim of the vertebral body of C7?
Anterior groove, posterior groove, right don left uncinate processes
What is the appearance of the inferior surface of the vertebral body of C7?
Typically flat, lacking anterior and oysters or lis characteristic off the typical cervicals
What are the osseous parts of the transverse process of C7?
Costal element, anterior tubercle, costotransverse bar, ostrior tubercle, true transverse process
What a the the features of the spinous process of C7?
Long, horizontal non-bifid
What is the appearance off the vertebral body of T1 form the anterior view?
Both sides will appear to be scalloped (indented) between the epiphyseal rims
What is the appearance of the superior surface of the vertebral body of T1?
It is somewhat cup-shaped with elevations at the posterior and lateral margin
What may the elevations on the vertebral body of T1 represent?
Uncinate processes
What is the appearance of the inferior surface of the vertebral body of T1?
Typically flat, lacking anterior and posterior lis characteristic of the cervicals
What surfaces are present on the upper and lower margins of the T1 vertebral body?
The right and left superior costal facet; the right and left inferior costal Demi-facet
What is eh direction of the transverse process at T1?
The transverse process projects nearly straight out.
What is the angular ion of the spinous process of T1?
The undersurface of the T1 spinous processes will be nearly horizontal from the horizontal plane
What features will allow discrimination between T2-T4 and T5-T8 segmental groups?
The vertebral boy, transverse process, articular process an spinous process
On cranial view, what is the outline o the vertebral body for the T2-T4 region?
The vertebral body will have bilaterally convex sides
On cranial view, what is the outline of the vertebral body for the T5-T8 region?
The left side of the vertebral body will be flattened, the right side convex
What is the name Geiger too the left side appeared of the vertebral body of T5-T8?
The Arctic impression
What part of the vertebral body is most influenced by the aorta at T5-T8?
The left side superior and inferior epiphyseal rims
What synovial joint surfaces are present on the vertebral Boyd of a typical thoracic?
The right and let superior and the right and left inferior costal Demi-facets
Which of the Demi-facets on the vertebral body of a typical thoracic is larger?
The superior costal Demi-facet
What is the position and direction of the pedicle from the typical thoracic vertebral body?
The pedicle arises form the upper third off the vertebral body and projects posterior and slightly laterally
What is the appearance and position of the lamina in a typical thoracic?
The lamina is short, broad and thick and lies next to the spinous process
What is the direction of the transverse process in the typical thoracics?
The transverse process projects more posterior with each inferior vertebra
How do the transverse diameters of the articular processes compare in the T2-T4 regions?
The superior articular process transverse diameter is greater than the inferior articular process transverse diameter for a given segment
How do the transverse diameters of the articular processes computer in thee T5-T8 region?
The superior articular process transverse diameter is the same as or equal to the inferior articular process transverse diameter for a given segment
What name is given to the riot between the superior and inferior articular processes in the typical thoracics?
The pars interarticularis
What is the pars interarticularis?
The region between the superior and inferior articular processes?
What part of a vertebra arises laterally form the pars interarticularis?
The transverse process
What is the angular ion of the spinous process of T2-T4?
The undersurface of T2-T4 spinous processes will angle up to forty degrees for the horizontal plane.
What is the angulation of the spinous process of T5-T8?
The undersurface of the T5-T8 spinous processes will angle up to sixty degrees form the horizontal plane
What is present on the transverse tubercle of T9?
The transverse coastal facet
Which rib related facet may be absent on T9?
The inferior costal Demi facet
Which synovial joint surface is absent form the vertebral body of T10?
Inferior costal Demi-facets
What is typically present on the transverse tubercle of /T10?
The transverse costal facet
What is the generic appearance of thepsinous processes of T10?
Shorter and more horizontal than the T9 spinous process
What is the outline of the vertebral body of T11 on superior view?
Kidney-shaped or reniform
What synovial joint surfaces are present on the vertebral body of T11?
The right and left superior costal facet
Which synovial joint is absent from the vertebral body of T11?
Inferior costal Demi-facet
What part of the transverse process is absent on T11?
The transverse costal facet
What is the orientation of the spinous process of T11?
Posterior and horizontal along the undersurface
What synovial joint surfaces are present on the vertebral body of T12?
The right and left superior costal facet
Which synovial joint surface is absent form the vertebral body of T11?
Inferior costal Demi-facets
What is present to the transverse process region to T12?
Three tubercles of variable size?
What is the location of the lateral tubercle?
It projects laterally form the pars interarticularis of T12
What is the location of the superior tubercle?
It projects superior lay over the superior articular facet form the pars interarticularis of T12
What is the location of the inferior tubercle?
It projects form the pars interarticularis of T12 in a plane that is inferior to the superior tubercle and medial to the lateral tubercle
What is the curvature of the superior articular facets of a T12?
They are said to be slightly concave
What is the curvature of the inferior articular facets of T12?
They are significantly convex
What is the orientation of the spinous process of T12?
Posterior and horizontal
What is the name of the elevation near the origin of the lumbar transverse process?
Accessory process
What is the name of the lamina-pedicle junction of typical lumbar vertebrae?
Pars interarticularis
What is the name given to the projection on the lumbar superior articular process?
Mammillary process
What is the usual appearance of the typical lumbar spinous process?
Rectangular with the long axis in the superior-inferior orientation
What characteristic of the L1-L4 pedicle may be used to differentiate it form the L5 segment? Be specific and complet as the difference(s) on segment form each group.
On cranial view, the lateral surface of the pedicle is apparent on a L1-L4 segment. At L5 the transverse process originates for the vertebral body, pedicle and lamina-pedicle region.
What is the generic direction and length of the fifth lumbar transverse process?
It is directed straight lateral and is the shortest of all lumbar transverse processes.
What are the names of the lateral modifications of the superior epiphyseal rim of a typical cervical?
Uncinate recess, unciform process, uncovertebral process, uncus or lateral lip
What is present on the transverse tubercle of T1?
The transverse costal facet
What is the orientation of the transverse costal facets for T2-T6?
They face forward and outward
What is the orientation of the transverse costal facets for T7-T8?
The face forward, outward, and upward
Which vertebrae will have a spinous process angulation of up to forty degrees?
T2-T4
Which vertebrae will have a spinous process angulation of up to sixty degrees?
T5-T8
Which synovial joint surfaces may be absent from the vertebral body of T9?
Inferior costal Demi-facet
What is the angulation of the spinous process of T9?
The undersurface of T9 spinous processes will angle less than forty degrees for the horizontal plane
What feature is very commonly observed on the lamina to T10?
Para-articular processes
What part of the TVP may be absent on T10?
The transverse costal facet
What is the generic appearance of the spinous process of T11?
Longer and more horizontal along the undersurface than T10
Which tubercle on T12 represents the TVP?
The lateral tubercle
Which tubercle on T12 represents the mammillary process of the lumbars?
The superior tubercle
Which tubercle on T12 represents the accessory process of the lumbars?
The inferior tubercle
The costal element and true transverse process of sacrum unite to form what feature?
The sacral ala