Cervical spine bones Flashcards

1
Q

Upper segment vert

A

C1 & C2 vertebrae

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2
Q

Upper segment joints

A

A/O & A/A joints
Connecting ligaments

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3
Q

Lower segment vert

A

C3-C7 vertebrae

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4
Q

Lower segment joints

A

C2/3-C7/T1 joints
Connecting ligaments

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5
Q

“Sensory Platform”

A

The cervical spine can be thought of as the sensory platform to support and allow movement of the head

allows us to turn our head so we can see

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6
Q

“Typical” Cervical Vertebrae

A

C3 – C6

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7
Q

“Atypical” Cervical Vertebrae:

A

C1, C2, C7

These do not have all the typical properties of spinal vert

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8
Q

Body of Typical Cervical Vertebra size

A

Relatively small
Transversely broad

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9
Q

where are Uncinate processes found

A

on posterolateral part of superior surface

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10
Q

Anterior rim of inferior surface face what direction

A

projects downward

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11
Q

Vertebral foramen in the cervical region

A

is relatively large and triangular

the spinal cord is the largest in this region

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12
Q

Pedicles vertebral notches in typical c-vert

A

Superior and inferior vertebral notches are about equal in depth

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13
Q

Laminae in c-vert

A

Elongated, broad

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14
Q

Spinous process in c-vert

A

Short & bifid (C2-C6)

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15
Q

Articular pillars

A

Column formed by sup & inf artic processes

C2 –C7 facet – they form a column that is not seen in the other areas of the back

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16
Q

orientation of superior art facet

A

Superior facets face up & back

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17
Q

orientation of inferior art facet

A

Inferior facets face down & forward

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18
Q

Transverse processes

A

Anterior & posterior roots that terminate in anterior & posterior tubercles with intertubercular lamella between

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19
Q

Transverse foramen

A

in the middle of the TP for the vertebral​ artery

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20
Q

Intervertebral foramen formed by

A

Formed between superior and inferior notches of adjacent pedicles

Posterior wall formed by articular pillar

Anterior wall formed by uncinate process and IV disc

21
Q

C1 - Atlas body

A

has none

22
Q

C1 - Atlas SP

A

has no true one

23
Q

lateral masses of the atlas​ are connected by

A

connected in front by anterior arch and behind by posterior arch

24
Q

C1 Anterior Arch

A

Anterior tubercle on anterior surface

Facet for dens on posterior surface

25
Q

C1 Lateral Masses- Superior facets

A

Concave & elongated with restricted middle
Face up & medially
hold the O

26
Q

C1 Lateral Masses - Inferior facets

A

Flat, circular
Face down & medially

27
Q

C1 Lateral Masse additional surfaces other then​ the facets

A

Tubercle for attachment of transverse ligament

28
Q

C1 Posterior Arch parts

A

Posterior tubercle
Superior surface has groove for vertebral artery

29
Q

C1 Posterior Arch post tub

A

Posterior tubercle represents spinous process

30
Q

C1 Transverse Processes

A

Long and broad

Well adapted as levers for mm that act to rotate head

Transverse foramen for vertebral artery

31
Q

vertebral art path

A

travels through the transverse foramen and the at C1 goes through the groove for the vert art and the travels to supply the brain

32
Q

C1 and c2 relationship

A

C2 is the Pivot on which the atlas rotates

33
Q

C2 - Axis superior vs. inferior

A

Superior half has special features

Inferior half resembles typical cervical vertebra

34
Q

C2 Dens other name

A

(Odontoid Process)

35
Q

C2 Dens extends from where on the vert

A

Extends up from body

36
Q

C2 Dens parts

A

Anteriorly, facet for anterior arch of atlas

Posteriorly, facet for transverse ligament

Apex – attachment for apical ligament

Sides – attachments for alar ligaments

37
Q

C2 - Axis ossifiaction centers

A

C2 has 5 primary centers of ossification
2 of which are for the dens

38
Q

typical vert ossification centers

A

Typical vertebra has 3 primary centers of ossification
One for the body
One on each side for the vertebral arch

39
Q

C2 - Axis body direction

A

Anteriorly, downward projection from inferior surface

40
Q

C2 - Axis pedicales notches

A

Inferior notch is deeper, and the superior notch is more shallow

41
Q

C2 - Axis Laminae

A

Relatively broad

42
Q

C2 Spinous Process

A

Bifid
Large
Good lever for muscles which extend, retract and rotate head

43
Q

C2 Transverse Processes

A

Relatively small

Single tubercle at apex

Transverse foramen for vertebral artery

44
Q

C2 Articular Processes- superior

A

Large oval facets face up and slightly lat’ly

Don’t form articular pillars with inferior processes, because are aligned anterior to them

45
Q

C2 Articular Processes- inferior

A

Located at junction of pedicles and laminae

Facets angled downwards and forwards as in typical cervical vertebrae

46
Q

C7 other name

A

Vertebra Prominens

47
Q

C7 SP

A

Thick, horizontally aligned
Single tubercle

48
Q

C7 TP

A

Large, especially posterior tubercle
Transverse foramen