Ch. 11 F.B., Nasal, and Orbits Notes

Question 1

How many facial bones and what are they

Answer 1

• 2 maxillary bones
• 2 zygomatic bones
• 2 lacrimal bones
• 2 nasal bones
• 2 nasal conchae
• 2 palatine bones
• vomer
• mandible

Question 2

what bones does each maxilla articulate with

Answer 2

2 cranial bones
- frontal
- ethmoid
7 facial bones
- zygoma
- lacrimal
- nasal
- palatine
- inferior nasal concha
- vomer
- adjacent maxilla

Question 3

what bones does each zygoma articulate with

Answer 3

3 cranial bones
- frontal
- sphenoid
- temporal
1 facial bone
- maxilla

Question 4

what bones does each lacrimal bone articulate with

Answer 4

2 cranial bones
- frontal
- ethmoid
2 facial bones
- maxilla
- inferior nasal concha

Question 5

what bones does each nasal bone articulate with

Answer 5

2 cranial bones
- frontal
- ethmoid
2 facial bones
- maxilla
- adjacent nasal bone

Question 6

what bones does each inferior nasal concha articulate with

Answer 6

1 cranial bone
- ethmoid
3 facial bones
- maxilla
- lacrimal
- palatine

Question 7

what bones does each palatine articulate with

Answer 7

2 cranial bones
- sphenoid
- ethmoid
4 facial bones
- maxilla
- inferior nasal conchae
- vomer
- adjacent palatine

Question 8

what bones does the vomer articulate with

Answer 8

2 cranial bones
- sphenoid
- ethmoid
4 facial bones
- right and left palatines
- right and left maxillae
(also with the septal cartilage)

Question 9

what bones does the mandible articulate with

Answer 9

temporal bone

Question 10

largest immovable bones of the face

Answer 10

maxillae

Question 11

most all other facial bones are closely associated with these two bones

Answer 11

maxillae

Question 12

the right and left maxillary bones are anchored at the midline below this

Answer 12

nasal septum

Question 13

each maxilla assist in the formation of what 3 cavitites

Answer 13

• mouth
• nasal cavity
• 1 orbit each

Question 14

what does each maxilla consist of

Answer 14

a body and 4 processes projecting from the body

Question 15

what are the 4 processes of each maxilla

Answer 15

• frontal process
• zygomatic process
• alveolar process
• palatine process

Question 16

eight upper teeth on each side are embedded in cavities along the inferior margin of this process

Answer 16

alveolar process of maxilla

Question 17

both of these processes form the roof of the mouth, and can only be seen in an inferior view

Answer 17

palatine processes of each maxilla

Question 18

congenital defect in which the palatine processes of each maxilla do not unite

Answer 18

cleft palate

Question 19

form the posterior part of the hard palate

Answer 19

palatine bones

Question 20

located lateral to the zygomatic process of the maxilla

Answer 20

zygomatic bones

Question 21

forms the prominent part of the cheek and make up the lower outer portion of each orbit

Answer 21

zygomatic bones

Question 22

zygomatic bones connect to the zygomatic process of which bone to form the zygomatic arch

Answer 22

temporal bone

Question 23

the thinnest and most delicate bones in the body

Answer 23

lacrimal and nasal bones

Question 24

these are associated with the tear ducts

Answer 24

lacrimal bones

Question 25

about the size and shape of a fingernail

Answer 25

lacrimal bones

Question 26

located anteriorly on the medial side of each orbit

Answer 26

lacrimal bones

Question 27

two fused bones form the bridge of the nose

Answer 27

nasal bones

Question 28

located anterior and superior to the frontal processes of the maxillae

Answer 28

nasal bones

Question 29

scroll shaped bones, thin and curved

Answer 29

(inferior) nasal conchae

Question 30

project from the lateral walls of the nasal cavities

Answer 30

(inferior) nasal conchae

Question 31

what are the superior and middle nasal conchae formed from

Answer 31

ethmoid bone

Question 32

these divide the nasal cavities into compartments to break the flow of air coming in through the nose

Answer 32

3 pairs of nasal conchae

Question 33

nasal conchae clean and warm the air as it comes in contact with these which cover the conchae

Answer 33

mucous membranes

Question 34

these bones are located internally and are “L” shaped

Answer 34

palatine bones

Question 35

the vertical portion of the palatine bone extends between what

Answer 35

1 pterygoid palate of the sphenoid and 1 maxilla

Question 36

the horizontal portion of the palatine makes up what

Answer 36

posterior portion of the hard palate

Question 37

partially makes up the bony nasal septum along with the perpendicular plate of the ethmoid bone

Answer 37

vomer

Question 38

anteriorly the bony nasal septum is what

Answer 38

cartilaginous called the septal cartilage

Question 39

a severally pushed to one side, away from midline septum

Answer 39

deviated septum

Question 40

where does deviation of the septum usually happen at

Answer 40

junction between the septal cartilage and the vomer

Question 41

thin and triangular bone

Answer 41

vomer

Question 42

surface of this bone is marked by small furrowlike depressions for blood vessels - causes a source of a nose bleed when there is trauma to the nose area

Answer 42

vomer

Question 43

what type of joint is the temporomandibular joint (TMJ)

Answer 43

synovial - bicondylar and plane (gliding)

Question 44

what type of joint is the alveoli and roots of teeth

Answer 44

fibrous - gomphosis, synarthrodial movement

Question 45

thin and horseshoe shaped

Answer 45

mandible

Question 46

largest of the facial bones

Answer 46

mandible

Question 47

only moveable bone in the adult skull

Answer 47

mandible

Question 48

single bone, but at birth until about 1 year of age is 2 separate bones that then fuse

Answer 48

mandible

Question 49

angle of the mandible

Answer 49

gonion

Question 50

superior to the angle of the mandible

Answer 50

ramus

Question 51

anterior to the angle of the mandible

Answer 51

body

Question 52

both bodies of the mandible unite at the midline to form this

Answer 52

symphysis menti

Question 53

depression below the symphysis menti

Answer 53

mentum or mental protuberance

Question 54

the very center of the mentum/mental protuberance

Answer 54

mental point

Question 55

located on each half of the mandible which serve as passageways for nerves and blood vessels

Answer 55

mental foramina

Question 56

terminate in a “U” shaped notch

Answer 56

ramus

Question 57

what is the notch of the ramus called

Answer 57

mandibular notch

Question 58

each mandibular notch has two processes, the most anterior process is called what

Answer 58

coronoid

Question 59

each mandibular notch has two processes, the posterior process is called what

Answer 59

condyloid

Question 60

this process of the ramus serves for muscle attachment and cannot be easily felt

Answer 60

coronoid

Question 61

this process of the ramus fits into the temporomandibular fossa of the temporal bone

Answer 61

condyloid process

Question 62

only moveable joint in the skull

Answer 62

TMJ

Question 63

what is the rim of the cone of the orbits called

Answer 63

base

Question 64

what is the point of the cone of the orbits which is most posterior called

Answer 64

apex

Question 65

when the head is placed lateral and the OML is parallel to the floor how do the orbits project

Answer 65

superior at 30 degrees and medial at 37 degrees

Question 66

how many bones are the orbits composed of

Answer 66

7 different bones

Question 67

what bones are the circular base of the orbits composed of

Answer 67

• maxilla
• frontal
• zygomas

Question 68

what bones are the inside of the cones of the orbits composed of

Answer 68

• lacrimal
• ethmoid
• sphenoid
• palatine

Question 69

a hole in the sphenoid bone located at the very posterior of the cone (apex) where the optic nerve runs

Answer 69

optic foramen

Question 70

an opening between the greater and the lesser wings of the sphenoid bone located lateral to the optic foramen

Answer 70

superior orbital fissure

Question 71

located between the maxilla, zygomatic bone, and the greater wing of the sphenoid

Answer 71

inferior orbital fissure

Question 72

a small piece of bone which is a portion of the lateral wall of the optic canal

Answer 72

sphenoid strut