A&p Bones Of The Axial Skeleton

Front 1

the human skull consists of ___ cranial bones and ___ facial bones

Back 1

8 cranial
14 facial

Front 2

the ___ cavity is the largest in the skull and houses the ___

Back 2

cranial cavity
houses the brain

Front 3

the nasal cavity is divided in half by the ___

Back 3

nasal septum of bone and cartilage

Front 4

(nasal septum) beware of

Back 4

leprosy(bacteria targets nose) and cocain. (constricts the blood vessels and the nasal septum deteriorates.

Front 5

the four sets of paranasal sinuses that are located in the bones surrounding the nasal cavity are?. (Sexy.Manny.Feels.Excited)

Back 5

sphenoidal sinuses
maxillary sinuses
frontal sinuses
ethmoidal sinuses

Front 6

how do the paranasal sinuses communicate?

Back 6

via ducts into the nasal cavity

Front 7

the middle and inner ear chamber the organs for..

Back 7

hearing and balance

Front 8

skull had two orbital cavities for the

Back 8

eyes

Front 9

the skull has a ___ cavity for the mouth

Back 9

oral/buccal

Front 10

the bones of the skull contains numerous foramina (foramen) that allows. ...

Back 10

passage of nerves. blood vessels. and other structures

Front 11

foramen

Back 11

opening (hole) in bone

Front 12

(cranial bone) frontal bone forms...

Back 12

anterior roof of the cranium, forehead, portion of nasal cavity roof, superior arch of the bony orbits.

Front 13

(cranial bone) on the frontal bone the ___ margin is the ___ over the eyes

Back 13

supra orbital margin
the prominent bony ridge over the orbits (eyes)

Front 14

(cranial bone) the ___ sinus is located in the frontal bone, and connects to what?

Back 14

frontal sinus
connects to nasal cavity.

Front 15

(cranial bone) frontal bone. the frontal sinus is important for?..

Back 15

weight and voice resonance

Front 16

(cranial bone) two parietal bones. form..

Back 16

upper side and roof of cranium

Front 17

parietal bones are divided into left and right by the

Back 17

sagittal suture

Front 18

this suture separates the two parietal bones from the frontal bone

Back 18

coronal suture

Front 19

(cranial bone) two temporal bones form the

Back 19

lower sides of the cranium

Front 20

each temporal bone is joined to their parietal bone by what suture

Back 20

squamousal suture

Front 21

each temporal bone has four parts. what are they

Back 21

squamosal portion
tempanic portion
mastoid process
Petrous portion

Front 22

(temporal bone) squamosal portion (two parts)

Back 22

side of skull. flat.
zygomatic process- forms posterior portion of the zygomatic arch
mandibular fossa- receives articulating condyle of the mandible

Front 23

(temporal bone) tempanic portion

Back 23

contains ear canal. immediately posterior to the mandibular fossa. has a styloid process project downward ( needle bone)

Front 24

(temporal bone) mastoid portion (process)

Back 24

(looks like breast in greek) rounded projection. posterior to the ear. contains several small sinuses that connect to the middle ear.

Front 25

(temporal bone) Petrous portion. .. (carotid canal)

Back 25

rock like. best viewed inferiorly. houses structures of middle and inner ear. has a carotid canal allows entry of the carotid artery.

Front 26

occipital bone.

Back 26

back and base of skull

Front 27

occipital bone is fastened to the parietal bone by which suture

Back 27

lambdoidal suture

Front 28

(occipital bone) has a foramen magnum which is what?

Back 28

large hole that the spinal cord goes through to attach to the brain. . it's on the base of the skull

Front 29

(occipital bone) has a superior and inferior nuchal line which...

Back 29

is a ridge of bone that extends laterally to the mastoid process

Front 30

(cranial bone) sphenoid bone (wedge like)

Back 30

forms the anterior base of the skull. resembles a bat.

Front 31

the ___ is part of the sphenoid bone and houses the___ gland.

Back 31

Sella turcica "Turkish saddle"
pituitary gland. (beware of car crash)

Front 32

the central portion of the sphenoid bone contributes to the formation of the

Back 32

orbits and nasal cavity

Front 33

(cranial bone) ethmoid bone had highest levels of

Back 33

iron

Front 34

(cranial bone) ethmoid bone forms the

Back 34

anterior portion of the floor of the cranium between the orbits where it forms the roof of the nasal cavity

Front 35

ethmoid bone had numerous ethmoid ___

Back 35

sinuses

Front 36

the inferior portion of the ethmoid bone is called the ___

Back 36

perpendicular plate

Front 37

the perpendicular plate of the ethmoid bone contributes to the ____ septum that separates the ___ into 2 chambers

Back 37

nasal septum
nasal cavity

Front 38

a spine of the perpendicular plate is called the

Back 38

cristagalli bone. (pointy top)
which projects superiorly into the cranial cavity

Front 39

at right angles to the perpendicular plate within the floor of the cranium is the

Back 39

cribriform plate. beware of facial fracture and viral infection.

Front 40

the superior and middle concha are part of what bone

Back 40

ethmoid bone

Front 41

do facial bones have contact with brain?

Back 41

no

Front 42

the facial bones provide the basic shape of the

Back 42

face

Front 43

the two maxillary form at midline to form the?

Back 43

upper jaw (mustache area)

Front 44

(maxilla) upper teeth are contained in sockets called?

Back 44

alveoli

Front 45

what sinuses are located in the maxilla

Back 45

large maxillary

Front 46

what processes join together to form the Anterior 2/3 of the hard plate? (roof of mouth)

Back 46

Palatine process

Front 47

(maxilla) when palatine processes don't meet during childhood you will get what?

Back 47

cleft plate

Front 48

(facial bones) what are the two L shaped bones that firm the posterior third of the hard plate? (portion of orbits, part of nasal cavity)

Back 48

Palatine BONES (not part of maxilla)

Front 49

(facial bones) cheek bones

Back 49

zygomatic bones

Front 50

what bones form the Anterior part of the medial wall of the orbit and contribute to the walls of the nasal cavity

Back 50

lacrimal bones

Front 51

Where are tears produced

Back 51

superior and lateral to the orbit

Front 52

what is the lacrimal gland? where does it pass through

Back 52

tear duct
lacrimal foramen

Front 53

tear duct drains into the

Back 53

nasal cavity

Front 54

what two bones join in the middle to form the bridge of the nose?

Back 54

nasal bones

Front 55

inferior nasal conchae. is its own bone and projects into the

Back 55

nasal cavity

Front 56

what bone is a thin plowshar-shaped bone that forms the lower part of the nasal septum?

Back 56

vomer

Front 57

what bone is the jawbone

Back 57

mandible

Front 58

how is the mandible attached to the skull?

Back 58

tempromandibular articulations.

Front 59

only movable bone of the skull

Back 59

mandible

Front 60

chin area is the

Back 60

body of the mandible

Front 61

extending vertical from the posterior portion of the body of the mandible are the?

Back 61

rami. ramus.

Front 62

each ramus of the mandible have a ___ process that associates with the mandibular fossa of the ___

Back 62

condyloid/ condylar process
temporal bone

Front 63

(crows beak) process for muscular attatchment on mandible

Back 63

pointed coronoid process

Front 64

the depression on the mandible between the condylar process and pointed coronoid process is the

Back 64

mandibular notch

Front 65

part of mandible where the horizontal body and vertical ramus meet. (corner of jaw)

Back 65

mandibular angle

Front 66

u shaped bone in neck

Back 66

hyoid bone

Front 67

hyoid bone doesn't attatch to any other bone but is suspended from the?

Back 67

styloid process (needle bone)

Front 68

the three pair ossicles that are located in the middle chamber of ear in the Petrous portion of the temporal bone

Back 68

malleus-hammer
incus-anvil
stapes_stirrup

Front 69

(foramen) mental foramen

Back 69

allows passage of blood vessels and nerves to chin and lower lip

Front 70

(foramen) rotundum

Back 70

maxillary division of cranial nerve 5

Front 71

(foramen) ovale

Back 71

mandibular division of cranial nerve 5

Front 72

(foramen) lacerum

Back 72

internal carotid artery

Front 73

(foramen) spinosum

Back 73

meningeal blood vessels

Front 74

(foramen) internal/external acoustic meatus

Back 74

canal to the ear drum

Front 75

(foramen) jugular

Back 75

internal jugular vein and cranial nerve 9,10,11

Front 76

(foramen)hypoglossal canal

Back 76

hypoglossal nerve. cranial nerve 12

Front 77

(foramen) optic canal

Back 77

optic nerve

Front 78

(foramen) magnum

Back 78

spinal cord

Front 79

(foramen) supra orbital foramen

Back 79

arteries and nerves

Front 80

(foramen) infra orbital foramen

Back 80

infraorbital nerve to skin of face

Front 81

(foramen) carotid canal

Back 81

internal carotid artery

Front 82

the vertebral column consists of __ individual vertebra. arranged in __ movable parts.

Back 82

33.
26

Front 83

how many cervical vertebra are there

Back 83

7. c1-c7.

Front 84

C1 on the cervical vertebra has no..

Back 84

Spinous process

Front 85

C1 on the vertebra is known as the

Back 85

atlas

Front 86

how many thoracic vertebra are there? (details)

Back 86

12. T1-T12.
all attatch to a rib or set of ribs. larger body than the cervicle long slender spinous process. kind of angles down.

Front 87

how many lumbar vertebra are there?

Back 87

5. L1-L5. largest bodies.short dull spinous processes.

Front 88

how many fused sacral vertebra are there

Back 88

5 (thick part)

Front 89

how many fused coccygeal vertebra are there?

Back 89

4 fused. tail bone

Front 90

C2 of the vertebral column is know as the

Back 90

axis

Front 91

what goes into the Atlas and allows us to say no

Back 91

dens or odontoid process

Front 92

say yes

Back 92

Atlanto occipital junction

Front 93

say no

Back 93

atlanto axial junction

Front 94

three basic functions of vertebral column

Back 94

.movement while supporting head and upper extremetirs. attatchment for muscles ribs. visceral structures. protect spinal cord and permit passage of spinal nerves.

Front 95

the rib cage is formed by

Back 95

thoracic vertebra.
ribs.
costal cartilage.
sternum

Front 96

costal cartilage

Back 96

cartilage that attaches ribs to the sternum

Front 97

sternum (chest ) made up of

Back 97

manubrium (has jugular notch and Clavicular notch. top)
gladiolus-body. middle
xiphoid process-inferior.very bottom

Front 98

ribs are all attatched but only the top __ attatch to the sternum

Back 98

7

Front 99

the top __ ribs are called.... because they attatch to the sternum and back

Back 99

7. true ribs

Front 100

ribs ___ are called because they only attatch to the costal cartilagd

Back 100

8,9,10. false ribs

Front 101

ribs ___ are called... because they are only attatched to the back. nothing on front

Back 101

11,12. floating

Front 102

a fracture of three or more ribs intwo places (paradoxical motion) is called

Back 102

flail chest