Anatomy Alyssa D

Front 1

The skull consists of _ bones

Back 1

21 (22 if you count the mandible)

Front 2

The skull is joined by ____ and is a _____ joint

Back 2

Sutures , immovable

Front 3

_ bones form the cranium

Back 3

8

Front 4

Foramina

Back 4

Passageways for cranial nerves and blood vessels

Front 5

The cranium is formed by

Back 5

-frontal bone

-2 parietal bones

-occipital bone

-2 temporal bones

-sphenoid bone

-ethmoid bone

Front 6

Frontal bone forms :

Back 6

Anterior superior portion of cranium , forehead, upper parts of eye orbits, roof of nasal cavity

Front 7

(In frontal bone) Supraorbital foramen:

Back 7

Opening above each eye orbit, can be reduced-then called supraobital notch

Front 8

Forms roof and sides of the cranium, posterior to the frontal bone

Back 8

Parietal bone

Front 9

Parietal bone is joined to the frontal bone by

Back 9

Coronal suture

Front 10

Parietal bone is joined to each other at superior midline by

Back 10

Sagittal suture

Front 11

Posterior inferior portion of the skull

Back 11

Occipital bone

Front 12

Occipital bone is joined to the parietal bone by

Back 12

Lambdoidal suture

Front 13

The floor of this contains foramen magnum

Back 13

Occipital bone

Front 14

Processes on either side of foramen magnum

Back 14

Occipital condyles

Front 15

Where skull articulates with C1 atlas

Back 15

Occipital condyles

Front 16

Located just below parietal bones on either side of cranium

Back 16

Temporal bones

Front 17

Temporal bones are joined to parietal bones by

Back 17

Squamosal suture

Front 18

Temporal bone articulates posteriorly with occipital bone by

Back 18

Lambdoidal suture

Front 19

Ear components located here

Back 19

External auditory meatus (above styloid process)

Front 20

-anterior to auditory meatus

-where mandible articulates

Back 20

Mandibular fossa

Front 21

Formed by an articulation of mandibular condyles with mandibular fossa

Back 21

Temporomandibular joint

Front 22

Anterior extension that articulates with cheekbone

Back 22

Zygomatic process

Front 23

-slender, spine like process

-extends downward below auditory meatus

Back 23

Styloid process

Front 24

-rounded eminence

-inferior and posterior to auditory canal

Back 24

Mastoid process

Front 25

-narrow openings just medial to styloid processes

-at junction of temporal and occipital bones

Back 25

Jugular foramina

Front 26

Anterior to jugular foramina

Back 26

Carotid canal

Front 27

Opening on the thick, sloping portion of temporal bone

Back 27

Internal auditory meatus

Front 28

-consists of a central body and 2 wing like structures that extend laterally

-forms part of the floor of the cranium

Back 28

Sphenoid bone

Front 29

Oval openings on each side of the sphenoid bone

Back 29

Foramen ovale

Front 30

Oval openings on each side of the sphenoid bone

Back 30

Foramen ovale

Front 31

Saddle shaped structure formed by the central body of the sphenoid bone

Back 31

Sells Turcica

Front 32

Oval openings on each side of the sphenoid bone

Back 32

Foramen ovale

Front 33

Saddle shaped structure formed by the central body of the sphenoid bone

Back 33

Sells Turcica

Front 34

Located on each side in anterior portion of sells Turcica, opening that allows passage of the optic nerve

Back 34

Optic foramina

Front 35

Oval openings on each side of the sphenoid bone

Back 35

Foramen ovale

Front 36

Saddle shaped structure formed by the central body of the sphenoid bone

Back 36

Sells Turcica

Front 37

Located on each side in anterior portion of sells Turcica, opening that allows passage of the optic nerve

Back 37

Optic foramina

Front 38

Forms part of the roof of the nasal cavity and part of the medial surface of the orbit and closes the anterior portion of the cranium, consists of perpendicular plate and cribiform plate

Back 38

Ethmoid bone

Front 39

Oval openings on each side of the sphenoid bone

Back 39

Foramen ovale

Front 40

Saddle shaped structure formed by the central body of the sphenoid bone

Back 40

Sells Turcica

Front 41

Located on each side in anterior portion of sells Turcica, opening that allows passage of the optic nerve

Back 41

Optic foramina

Front 42

Forms part of the roof of the nasal cavity and part of the medial surface of the orbit and closes the anterior portion of the cranium, consists of perpendicular plate and cribiform plate

Back 42

Ethmoid bone

Front 43

Extends downward, forms most of the nasal septum

Back 43

Perpendicular plate

Front 44

Oval openings on each side of the sphenoid bone

Back 44

Foramen ovale

Front 45

Saddle shaped structure formed by the central body of the sphenoid bone

Back 45

Sells Turcica

Front 46

Located on each side in anterior portion of sells Turcica, opening that allows passage of the optic nerve

Back 46

Optic foramina

Front 47

Forms part of the roof of the nasal cavity and part of the medial surface of the orbit and closes the anterior portion of the cranium, consists of perpendicular plate and cribiform plate

Back 47

Ethmoid bone

Front 48

Extends downward, forms most of the nasal septum

Back 48

Perpendicular plate

Front 49

Makes up the superior portion of the ethmoid bone, contain numerous olfactory foramina, contains crista galli

Back 49

Cribriform plate

Front 50

Projects upward into the cranial cavity between the cribiform plates

Back 50

Croats galli

Front 51

The face- consists of paired bones

Back 51

Maxillae

Palatine

Zygomatic

Lacrimal

Nasal

Inferior nasal conchae

Comer

Mandible

Front 52

Two bones joined by a suture at the midline to form the upper jaw , palatine process

Back 52

Maxillae

Front 53

Two bones joined by a suture at the midline to form the upper jaw , palatine process, alveolar process, infraorbital foramen,

Back 53

Maxillae

Front 54

Two bones joined by a suture at the midline to form the upper jaw , palatine process, alveolar process, infraorbital foramen,

Back 54

Maxillae

Front 55

Anterior portion of hard palate, joined by median palatine suture

Back 55

Palatine process

Front 56

Portion of each maxillary bone containing teeth

Back 56

Alveolar process

Front 57

Portion of each maxillary bone containing teeth

Back 57

Alveolar process

Front 58

Large openings below each eye orbit

Back 58

Infraorbital foramen

Front 59

Portion of each maxillary bone containing teeth

Back 59

Alveolar process

Front 60

Large openings below each eye orbit

Back 60

Infraorbital foramen

Front 61

Form the posterior portion of hard palate

Back 61

Palatine bones

Front 62

Portion of each maxillary bone containing teeth

Back 62

Alveolar process

Front 63

Large openings below each eye orbit

Back 63

Infraorbital foramen

Front 64

Form the posterior portion of hard palate

Back 64

Palatine bones

Front 65

Form the prominence of the cheeks and lateral walls of the eyeborbits ,Cheekbones, temporal process, lacriminal bones

Back 65

Zygomatic bones

Front 66

Posterior extension, unites with zygomatic process to form zygomatic arch

Back 66

Temporal process

Front 67

Located between ethmoid and maxilla on medial wall of each eye orbit

Back 67

Lacrimal bones