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Spinal Anatomy Summer 2015 > Exam 2 Atypical Cervical Vertebrae C2 2 > Flashcards

Exam 2 Atypical Cervical Vertebrae C2 2 Flashcards

1
Q

What unique vertebral body modification is characteristic of C2

A

The dens or odontoid process

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2
Q

How many joint surfaces are present on the odontoid process of C2

A

Five

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3
Q

What joint surfaces are present on the odontoid process of C2

A

Facet for Fovea dentis
groove for transverse Atlantal ligament
attachment sites for the alar ligaments
attachment site for the apical dental ligament

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4
Q

What joint classifications are represented at the odontoid process of C2

A

Fibrous amphiarthrosis syndesmosis joint

synovial plane diarthrosis Trochoid joint

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5
Q

What is the name given to the odontoid process when the facet for the fovea dentis lies above the groove for the transverse Atlantal ligament and the attachment sites for the apical dental and alar ligaments appear to be directed posterior

A

Lordotic dens

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6
Q

What is the name given to the odontoid process when the facet for the fovea dentis lies below the groove for the transverse atlantal ligament in the attachment sites for the apical dental and alar ligaments appear to be directed anterior

A

Kyphotic dens

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7
Q

What joint surfaces are present at the Inferior part of the vertebral body of C2

A

Anterior lip
posterior lip
right and left lateral groove
cancellous bone

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8
Q

How many joints are formed by the inferior part of vertebral body of C2

A

Five

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9
Q

What joint classifications are present at the inferior part of the vertebral body of C2

A

Fibrous amphiarthrosis syndesmosis
modified synovial saddle diarthrosis sellar
cartilaginous amphiarthrosis synthesis

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10
Q

How many joint surfaces are present at the vertebral body of C2

A

10

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11
Q

What joint classifications are present at the vertebral body of C2

A

Fibrous amphiarthrosis syndesmosis
synovial pivot trochoid
modified synovial saddle diarthrosis sellar
cartilaginous amphiarthrosis symphysis

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12
Q

What ligaments will attach posteriorly to the inferior epiphyseal rim of C2

A

Membrana tectoria

posterior longitudinal ligament

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13
Q

What ligament forms the anterior boundary for the spinal canal above C2

A

Membrana tectoria

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14
Q

What ligament forms the anterior boundary for the spinal canal below C2

A

posterior longitudinal ligament

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15
Q

What names are given to you C2

A

Axis or epistropheus

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16
Q

what lies on the upper surface on the pedicle of C2?

A

The superior articular process

17
Q

what is the location of the superior vertebral notch of C2?

A

on the lamina-pedicle junction

18
Q

what attaches to the lamina of C2?

A

Obliquus capitis inferior muscle,
Posterior atlanto-axial ligament,
Ligamentum Flavum

19
Q

what is the appearance of the superior articular facets of C2?

A

they are symmetrical and slightly convex

20
Q

what is the facet orientation of the superior articular facets of C2?

A

Backward, Upward and Lateral (BUL)

21
Q

what is the orientation of the inferior articular facets of C2?

A

Forward, Lateral, and Down (FoLD)

22
Q

what musclae attaches to the articular processes of C2?

A

Longissimus Cervicis

23
Q

What osseous parts of the typical cervical transverse process are present at C2?

A

Costal element, Posterior tubercle and true transverse process

24
Q

What is the gender variation for the transverse diameter of C2?

A

Males: Fifty- seven milimeters

Females; abpout fifty milimeters

25
Q

what muscles attach to the transverse process of C2?

A 
Levator Scapulae
Middle Scalene
Splenius Cervicis
Longissimus Cervicis
Intertransversarii
26
Q

what is the characteristic appearance of the C2 spinous process in humans?

A

bifid

27
Q

What muscles attach to the spinous process of C2?

A 
Rectus Capitis Posterior Major
Obliquus Capitis Inferior 
Spinalis Cervicis
Semispinalis Cervicis
Multifidis
Rotators and Interspinalis muscle

Spinal Anatomy Summer 2015 (67 decks)

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