Ch. 7

Front 1

The skeleton consists of

Back 1

Bones, cartilage, joints, and ligaments

Front 2

Joints also called

Back 2

Articulations

Front 3

Skeleton composed of how many bones?

Back 3

206 bones

Front 4

How many bones in axial skeleton?

Back 4

80

Front 5

How many bones in appendicular skeleton?

Back 5

126

Front 6

Division of skeleton that contains skull, vertebral column, and thoracic cage?

Back 6

Axial skeleton

Front 7

Division of skeleton that contains upper and lower limbs?

Back 7

Appendicular

Front 8

Most complex bony structure?

Back 8

The skull

Front 9

Formed by cranial and facial bones?

Back 9

Skull

Front 10

These bones enclose the brain...

Back 10

Cranium

Front 11

Bones that provide attachment sites for some muscles of head and neck...

Back 11

Cranium

Front 12

Form framework of the face

Back 12

Facial bones

Front 13

Bones that form cavities for sense organs of sight, taste, and smell. Provides openings for passage of airand food, hold the teeth in place, anchor muscles of the face.

Back 13

Facial bones

Front 14

Sutures of the cranium

Back 14

Lamboid

Coronal

Squamous

Front 15

3 bony ridges that divide skull into distict fossae

Back 15

Anterior

Middle

Posterior

Front 16

Brain sits within the ________ fossae

Back 16

Cranial

Front 17

What smaller cavities does the skull contain?

Back 17

Middle and inner ear cavities

Nasal cavity

Orbits

Air-filled sinuses

Front 18

Houses the eyeballs

Back 18

Orbits

Front 19

Cavity that lies in skull and posterior to the nose

Back 19

Nasal cavity

Front 20

How many named openings in the skull?

Back 20

85

Front 21

Form superior and lateral parts of skull

Back 21

Parietal bones

Front 22

Four sutures of the cranium

Back 22

Coronal

Squamous

Sagittal

Lamboid

Front 23

Suture that runs in coronal plane, located where parietal bones meet frontal bone

Back 23

Coronal suture

Front 24

Suture that occurs where each parietal bkne meets a temporal bone inferiorly

Back 24

Squamous sutue

Front 25

Suture that occurs where right and left parietal bones meet superiorly

Back 25

Sagittal suture

Front 26

Suture that occurs where the parietal bones meet the occipital bone posteriorly

Back 26

Lambdoid suture

Front 27

Small bones that occur within sutures, irregular in shape, not all people have them

Back 27

Sutural bones

Front 28

Forms the forehead and roofs of orbits

Back 28

Frontal bones

Front 29

Superior margin of orbits

Back 29

Supraorbital margin

Front 30

Passage for supraorbital nerve and artery

Back 30

Supraorbital foramen

Front 31

Smooth part of frontal bone between superciliary arches

Back 31

Glabella

Front 32

Frontal sinuses are within

Back 32

Frontal bone

Front 33

Forms the posterior portion of the cranium and cranial base

Back 33

Occipital bone

Front 34

Articulates with the temporal bones of the parietal bones

Back 34

Occipital bone

Front 35

Forms the posterior cranial fossa, foramen magnum located at its base

Back 35

Occipital bone

Front 36

Features and structures of...

Occipital condolyles

Hypoglossal foramen

External occipital protuberance

Superior nuchal lines

Inferior nuchal lines

Back 36

Occipital bones

Front 37

Which bones does this describe?

Back 37

Temporal bones

Front 38

Site for neck muscle attachment

Contains air sinuses

Back 38

Mastoid process

Front 39

Projects medially, contributes to cranial base. Houses cavities of middle and internal ear.

Back 39

Petrous part

Front 40

Which bone contributes to the middle and posterior cranial fossae?

Back 40

Temporal bone

Front 41

Keystone bone for cranium

Back 41

Sphenoid bones

Front 42

Spans width of the cranial floor, resembles a bat with its wings spread, consists of a body and 3 pairs of processes. Contains 5 important openings.

Back 42

Sphenoid bone

Front 43

Important landmarks of the sphenoid bone

Back 43

Body

Greater wings

Lesser wings

Pterygoid processes

Front 44

Important openings of the sphenoid bone

Back 44

Optic canal

Superior orbital fissures

Foramen rotundum

Foramen ovale

Foramen spinosum

Front 45

Lies between nasal and spenoid bones, forms most of tge medial bony region between the nasal cavity and orbits

Back 45

Ethmoid bone

Front 46

Superior surface of the ethmoid bone, contains cribriform foramina

Back 46

Cribriform plate

Front 47

Within ethmoid bone, attached for falx crebri.

Back 47

Crista galli

Front 48

Forms superior part of nasal septum

Back 48

Perpendicular plate

Front 49

Part of ethmoid bone, contains air cells.

Back 49

Ethmoidal labyrinth

Front 50

Part of ethmoid bone, extend medially from laterial masses?

Back 50

Superior and middle nasal conchae

Front 51

Unpaired bones of the face?

Back 51

Mandible and vomer

Front 52

6 Paired bones of the face

Back 52

1. Inferior nasal conchae

2. Lacrimal bones

3. Maxillae

4. Nasal bones

5. Palatine bones

6. Zygomatic bones

Front 53

Lower jawbone is the largest and strongest facial bone

Back 53

Mandible

Front 54

Only moveable bone of the skull, composed of horizontal body and 2 upright rami.

Back 54

Mandible

Front 55

Landmarks that mark this bone are mandibular fossa, mandibular foramen, alveolar process, mental foramen, condylar process, ramus

Back 55

Mandible

Front 56

Bones that articulate with all other facial bones except the mandible

Back 56

Maxillary bones

Front 57

Forms paet of the inferior orbital fissure

Back 57

Maxillary bones

Front 58

Bones of the face that form lateral wall of orbits

Back 58

Zygomatic bones

Front 59

Bones that form bridge of nose

Back 59

Nasal bones

Front 60

Facial bones that are located in the medial orbital walls

Back 60

Lacrimal bones

Front 61

Facial bones that complete the posterior part of the hard palate

Back 61

Palatine bones

Front 62

Facial bones that form the inferior part of the nasal septum

Back 62

Vomer

Front 63

Thin curved facial bones that project medially form the lateral walls of the nasal cavity

Back 63

Inferior nasal conchae

Front 64

Air filled sinuses are located within which bones?

Back 64

Frontal

Ethmoid

Sphenoid

Maxillary

Front 65

Paranasal sinuses are lined with

Back 65

Mucous membrane

Front 66

Bone that lies inferior to the mandible, the only bone with no direct articulation with any other bone, acts as moveable base for tongue.

Back 66

Hyoid bone

Front 67

Formed from 26 bones, transmits weight of trunk to the lower limbs, surrounds and protects the spinal cord

Back 67

The vertebral column

Front 68

Serves as attachment sites for muscles of the neck and back, held in place by ligaments

Back 68

The vertebral column