Views of the Skull Flashcards Preview

Spinal Anatomy I - Exam 3 > Views of the Skull > Flashcards

Flashcards in Views of the Skull Deck (30):
1

What are the five views of the skull called?

- norma verticalis
- norma frontalis
- norma occipitalis
- norma lateralis
- norma basalis

2

What is the norma verticalis?

the skull viewed from the top

3

What is the appearance of the intersection of the coronal and sagittal sutures called?

the bregma

4

What is the appearance of the intersection of the lambdoid and sagittal sutures called?

the lambda

5

What is the anterior fontanelle?

the diamond shaped remnant of developing membrane bone at the intersection of the frontal bone with both parietal bones

6

What is the posterior fontanelle?

the diamond shaped remnant of developing membrane bone at the intersection of the occipital bone with both parietal bones

7

What is the norma frontalis?

the skull viewed from the front

8

What is the glabella?

the elevation of bone over the frontal sinus between the orbits

9

What is the name given to the outline of the nasal cavity at the front of the skull?

piriform aperture

10

What is the relationship of the tooth and the bony surface features associated with it?

- the neck of the tooth is associated with the alveolar process
- the root of the tooth is associated with the alveolar jugum like the outside of a socket and the dental alveolus surrounding the root of the tooth like the inside of a socket

11

What is the dental alveolus?

the hole or inside of a socket in the maxilla or mandible for the root of the tooth

12

What is the alveolar process?

the part of the mandible or maxilla covering the neck of the tooth

13

What is the alveolar jugum?

the part of the mandible or maxilla covering the root of the tooth exteriorly

14

What is the name given to the alveolar jugum of the canine tooth in the maxilla?

canine eminence

15

What forms a bullet-like chin?

a large mental protuberance

16

What forms an indented chin?

well developed bilateral mental tubercles and a slight mental protuberance

17

What is the norma occipitalis?

the skull viewed from the back

18

What is the name given to the midline posterior elevation at the back of the skull?

the external occipital protuberance

19

What is the tip of the external occipital protuberance called?

the inion

20

What is the name of the linear elevation lateral to the external occipital protuberance?

superior nuchal line

21

What is the norma lateralis?

the skull viewed from the side

22

What is the appearance of suture intersections just above the zygomatic arch called?

the pterion

23

What bones form the pterion?

- parietal
- temporal
- sphenoid
- frontal

24

What is the appearance of suture intersections just above the mastoid process called?

the asterion

25

What bones form the asterion?

- parietal
- temporal
- occipital

26

What points on the skull are used to measure the skull size?

- nasion
- vertex
- inion
- gnathion

27

What points on the skull are used to measure cranial vault capacity?

- nasion
- vertex
- inion

28

What is norma basalis?

the skull viewed from the bottom

29

What is the appearance of the suture intersections over the hard palate called?

the cruciate or cruciform suture

30

What independent bone may be formed at the front of the maxilla?

the incisive bone

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