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Spinal Anatomy > Osteology of the Vertebral Column, Sternum, and Ribs > Flashcards

Osteology of the Vertebral Column, Sternum, and Ribs Flashcards

1
Q

What osseous modification is observed to the front of the anterior arch of C1?

A

The anterior tubercle

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2
Q

What is observed on the back of the anterior arch of C1?

A

The fovea dentis

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3
Q

What attaches behind the anterior arch of C1?

A

The lateral mass

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4
Q

What is the name of the rounded elevation on the medial aspect of the lateral mass of C1?

A

Tubercle for the transverse atlantal ligament

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5
Q

What is identified in the midline at the back of the posterior arch of C1?

A

The posterior tubercle

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6
Q

What superior surface modification of the posterior arch of C1 is present near the lateral mass?

A

Groove/sulcus for the vertebral artery

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7
Q

What superior surface modification is present near the posterior tubercle of the posterior arch of C1?

A

Arcuate rim

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8
Q

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

A complete ponticulus posticus

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9
Q

Based on the amount of bone union between the superior articular process and the arcuate rim of C1 what structure will form?

A

An incomplete ponticulus posticus or a complete ponticulus posticus

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10
Q

What names are given to the opening formed by the ponticulus posticus?

A

Arcuate foramen or retroarticular canal

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11
Q

What is observed on the undersurface of the posterior arch of C1?

A

The inferior vertebral notch

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12
Q

What is the name given to the anterior part of the transverse process of C1?

A

Costal element

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13
Q

What is the name given to the posterior part of the transverse process of C1?

A

True transverse process

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14
Q

What is the distal most part of the transverse process of C1?

A

The posterior tubercle

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15
Q

What unique vertebral body modification is characteristic of C2?

A

Dens or odontoid process

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16
Q

What 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

17
Q

What feature is identified on the anterior surface of the vertebral body of C2?

A

The longus colli muscle attachment

18
Q

What feature is identified on the anterior surface of the inferior epiphyseal rim of C2?

A

The anterior lip

19
Q

What feature is identified on the posterior surface of the inferior epiphyseal rim of C2?

A

The posterior lip

20
Q

What features are present at the lateral margins of the inferior epiphyseal rim of C2?

A

Right and left lateral grooves

21
Q

What features arise from the posterolateral margins of the vertebral body of C2?

A

The pedicles

22
Q

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

A

The superior articular process

23
Q

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

A

On the lamina-pedicle junction

24
Q

What feature is identified on the lower surface of the pedicle of C2?

A

The inferior vertebral notch or inferior vertebral incisure

25
Q

What is the location of the inferior articular process of C2?

A

On the lamina-pedicle junction behind the inferior vertebral notch

26
Q

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

A

Costal element, true transverse process, posterior tubercle

27
Q

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

A

It is bifid

28
Q

What are the modifications of the superior epiphyseal rim of a typical cervical?

A

Anterior groove, posterior groove, right and left uncinate processes

29
Q

What are the names of the lateral modifications of the superior epiphyseal rim of a typical cervical?

A

Uncinate process, unciform process, uncovertebral process, uncus, or lateral lip

30
Q

What are the modifications of the inferior epiphyseal rim of a typical cervical?

A

Anterior lip, posterior lip, right and left lateral grooves

31
Q

What bony feature is attached to the posterior end of the pedicle?

A

The articular pillar

32
Q

What is the name of the surface feature observed between the ends of the articular pillar?

A

The groove/sulcus for the dorsal ramus of a cervical spinal nerve

33
Q

What ligament attaches to the lamina of a typical cervical?

A

ligamentum flavum

34
Q

Ossification of the ligamentum flavum at the attachment site on the lamina will result in what feature?

A

para-articular process

Spinal Anatomy (4 decks)

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