BASIC OSTEOLOGY - vertebral column C1 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 attaches to the back of the lateral mass of C1?

A

the posterior arch

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6
Q

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

A

the posterior tubercle

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7
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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8
Q

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

A

the arcuate rim

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9
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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10
Q

Based on the amount of bony 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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11
Q

What names are given to the opening formed by the ponticulus positcus

A

arcuate foramen or retroarticular canal

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12
Q

what is the name given to the anterior part of the transverse process of C1

A

the costal element

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13
Q

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

A

the 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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