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809 - Exam 1 > Lab - Osteology of the Neck > Flashcards

Lab - Osteology of the Neck Flashcards

1
Q

The skeleton of the neck is formed by what 4 things?

A

cervical vertebrae
hyoid bone
manubrium of the sternum
clavicles

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2
Q

how many cervical vertebrae enclose the spinal cord and meninges in the neck?

A

7

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3
Q

what are the “typical” cervical vertebrae?

A

3rd - 6th

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4
Q

what are the “atypical” cervical vertebrae?

A

1st, 2nd, 7th

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5
Q

what 8 parts does a typical cervical vertebrae consist of?

A

Vertebral body
Vertebral arch
Vertebral foramen
Spinous process (split or bifid)
Transverse processes
Transverse foramina
Articulating processes
Intervertebral foramina

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6
Q

what do articulating processes form

A

joints between adjacent vertebrae

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7
Q

what does the transverse foramina contain

A

vertebral artery

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8
Q

what does the intervertebral foramina contain

A

spinal nerve

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9
Q

what does C1 (atlas) lack

A

a spinous process or body

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10
Q

what does C1 (atlas) consist of and what are they connected by

A

2 lateral masses connected by anterior and posterior arches

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11
Q

what does the superior articular facets of C1 (atlas) form with the skull’s occipital condyles

A

a joint

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12
Q

what is an identifying characteristic of C2 (axis)

A

a peg-like dens called the odontoid process

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13
Q

how does the odontoid process of C2 (axis) project?

A

superiorly from its body

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14
Q

C7 (vertebra prominens) has what kind of spinous process? It’s not what?

A

LONG

it is not bifid

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15
Q

C7 (vertebra prominens) has what kind of transverse processes and foramina?

A

large TP
small TF

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16
Q

what is the attachment for the trapezius

A

external occipital protuberance

17
Q

what is the attachment for the SCM

A

mastoid process

18
Q

what is the attachment for the posterior belly of digastric

A

mastoid (digastric) notch

19
Q

what is the attachment for anterior belly of digastric

A

digastric fossa

20
Q

what is the attachment for mylohyoid

A

mylohyoid line

21
Q

what is the attachment for geniohyoid

A

mental spines/genial tubercles

22
Q

what do AP projections help to visualize?

A

pathology relating to C3-C7 (can demonstrate compression fractures or herniated intervertebral disks)

23
Q

the odontoid/peg/open mouth AP projection is an AP projection of what?

what is the patient doing?

A

AP projection of C1 (atlas) and C2 (axis)

Patient’s mouth is open

24
Q

what are the 3 axial/cross sectional levels in the neck we will look at in CT images?

A

at the level of the:
1. thyroid gland
2. thyroid cartilage of larynx
3. hyoid bone and mandible

809 - Exam 1 (8 decks)

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