Spinal Anatomy Osteology (19%) Flashcards Preview

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Flashcards in Spinal Anatomy Osteology (19%) Deck (59):
1

At how many weeks in embryo does ossification of bone begin?

7-8 weeks

2

What is the suture called where the frontl and parietal bones meet?

Coronal

3

What is the suture called where the 2 parietal bones meet?

Sagittal

4

What is the suture called where the parietal and occipital meet?

Lambdoidal

5

What is the suture called where the tempotal and parietal meet?

Squamous

6

The cribriform plate (inferiorly) and Crista galli (superiorly) are located on which bone?

a. Ethmoid

b. Maxillary

c. Sphenoid

d.  Temporal

a. Ethmoid bone

7

The hard palate, palatine, and orbital processes are a part of what bone?

a. Ethmoid

b. Maxillary

c. Sphenoid

d.  Temporal

b. Maxillary

8

The sella turcica, foramen ovale, rotundum, lacerum, spinosum are all a part of what bone?

a. Ethmoid

b. Maxillary

c. Sphenoid

d.  Temporal

c. Sphenoid

9

The mastoid is a feature of which bone?

a. Ethmoid

b. Maxillary

c. Sphenoid

d.  Temporal

d. Temporal

10

Which bones make up the orbit?

 

sphenoid, frontal, zygomatic, palatine, ethmoid, lacrimal, and maxillary

11

Is the nasal bone part of  the orbit?

no

 

12

When does ossification of the vertebral column occur in embryo?

7-8 weeks

13

What are the 3 primary ossification centers that are completed by ages 3-6 y/o?

1 = body (centrum)

2 = each vertebral arch (becomes lamina & pedicles)

14

What are the 5 secondary ossification centers that are completed by 25 y/o?

1 = tip of spinous

2 = Transverse process'

2 = Annular ring epiphyses (sup. and inf. aspect of body)

15

which group have an additional 2 ossification centers and what are they?

lumbars, mamillary processes

16

What are ribs called that have no direct sternal attachment (attach by costal cartilages)

flat bones

17

how many pairs of ribs are there?

12

 

18

What ribs are typical?

3-9

19

What are the atypical ribs?

1, 2, 11, & 12

20

what is the shortest rib?

1st rib

21

which rib has a costochondral joint articulation with the manubrium, has a scalene tubercle, and supports subclavian vessels?

1st rib

22

what is the thinner rib, is 2x length of 1st rib, has the serratus anterior tuberosity?

2nd rib

23

Which ribs are short w/ no neck or tubercle, floaters (dont articulate w/ sternum), have a single facet on head, and have an  end capped cartilage?

11 and 12

24

Where is the jugular notch located and what is its aka?

T3 & T4; suprasternal notch

25

What is the angle of Louis?

where the manubrium/sternum meet @ second rib attachment

26

What is the Gladiolus aka?

Sternum

27

What segmental levels is the body of the sternum located at?

T5-T9

28

What forms the lateral border of the sternum?

Costal notches

29

What is a landmark for the diaphragm?

xiphoid process

30

The sacrum has how many vertebrae?

5

31

When are the 5 sacral vertebra fused by?

age 25

32

Where on the sacrum is the sarcral promontory located?

base

33

What part of the sacrum articulates with the coccyx?

the apex

34

Where do the branches of the sacral spinal nerves pass through on the sacrum?

sacral foramina

35

What are the lateral sides of the sacrum called? (aka wings)

ala

36

What part of the sacrum is the equivelant of the spinous processes?

Median crest

37

What part of the sacrum is equivelant to transverse processes?

intermediate crest

38

What are the boundaries of the IVF?

anterior:

posteror:

Superior:

Inferior:

anterior: IVD/vertebral body

posterior: facets

Superior: Pedicle

Inferior: pedicle

39

Make sure you can draw the boundaries of the IVF

pg. 7 in notes

40

What connects the lateral masses of atlas?

posterior arch

41

What vertebral level is the hyoid bone at?

C3

42

What vertebral level is the cornu of thyroid at?

C4

43

What vertebral level is the Body of thyroid at?

C5

44

What vertebral level is the cricoid cartilage at?

C6

45

****What vertebral level is the carotid tubercle at?

C6

46

How many "atypical" vertebra are there in adults?

9

47

What vertebral levels are associated with the joint of luska?

C2 - C6

48

What is the lowest level vertebra where the vertebral artery (impression) is located?

C6

49

What is the first vertebral spinous palpated off of the EOP?

C2

50

What is the aka for C1?

atlas

51

What are the aka's for C2?

Axis and Epistropheus

52

What shape is the body and canal of cervical vertebra?

body: circular

canal: triangular

53

What shape is the body and canal of thoracics?

body: heart

Canal: circle

54

What is the shape of the body and canal of the lumbars?

body: kidney bean

canal: triangle

55

What segment in is born to fail meaning has a lot of problems with it?

L5

56

How many teeth does a 3 year old have?

20

57

How many adult teeth are there?

32

58

Put the following layers of the teeth in order from superficial to deep:

1. Cementum

2. Dentin

3. Pulp (nerves & vessles)

4. Enamel

5. Root

4. enamel

2. dentin

3. Pulp (nerves & vessles)

1. Cementum

5. Root

59