Anatomy- Parts Of The Skull

Front 1

What is the primary function of the cranium

Back 1

To protect the brain

Front 2

What is the primary function of the facial region

Back 2

To provide the framework for the head

Front 3

When a baby is born, their skull is made of mostly what?

Back 3

Cartilage

Front 4

What is the term for the solidification of cartilage into bone?

Back 4

Ossification

Front 5

You can feel these soft spots on a baby's head, where the cartilage has not grown together. What are these spots called?

Back 5

Fontanels

Front 6

A baby's head is soft and made of cartilage for two reasons, What are they?

Back 6

Birth and rapid brain growth

Front 7

The skulls bones are completely ossified by what age?

Back 7

Age two

Front 8

The joints in the skull have a _____ appearance.

Back 8

A serrated appearance

Front 9

All the bones in the skull are connected very tightly and securely to each other, except for one bone that moves. What bone is it and why is it not connected with a suture joint?

Back 9

The mandible (jaw), it needs to open and hinge

Front 10

The cranium encases what?

Back 10

It encases the brain

Front 11

The cranium is made up of how many flat bones?

Back 11

8 flat bones make up the cranium.

Front 12

The wide, shallow bump on the frontal bone is called a what?

Back 12

An eminence

Front 13

The sockets in which the eyes sit in the skull are called what?

Back 13

Orbits

Front 14

The ridges just above the orbits and under the eyebrows are called what?

Back 14

Crests

Front 15

The slightly sunken area between the superciary crests is called what?

Back 15

Temporal Line

Front 16

Where is the occipital bone located?

Back 16

The posterior surface of the head and the underside of the cranium.

Front 17

What is the name of the bump located at the posterior base of the cranium?

Back 17

Occipital protuberance

Front 18

What are the horizontal lines that are on either side of the occipital protuberance?

Back 18

Superieor and inferior nuchal lines.

Front 19

The large hole at the base of the skull lets the spinal cord exit the cranium is called what?

Back 19

The foramen magnum

Front 20

What bones form the walls or "roof" of the skull?

Back 20

The parietal bones

Front 21

The ridges on the parietal bone that show on the surface of the head are called what? They are also part of the frontal bone.

Back 21

The temporal lines

Front 22

What marks the widest part of the skull?

Back 22

The two Parietal eminences

Front 23

Where are the temporal bones located?

Back 23

The ear area, base of the skull

Front 24

Posterior and Inferior to the auditory meatus, what bump can be felt behind the ear?

Back 24

The Mastoid Process

Front 25

What bone extends anteriorly, attaching to the zygomatic bone, to form the zygomatic arch?

Back 25

the zygomatic process

Front 26

What 4 bone groups make up the facial region? Where are they?

Back 26

zygomatic (2 bones)

Nasal (2 bones)

Maxille (2 bones)

Mandible (1 bone)

Front 27

What is the widest point of the face?

Back 27

The zygomatic bones

Front 28

The nasal bones form what part of the face?

Back 28

the root of the nose

Front 29

The parts of the nose that arent made of bone are made of what?

Back 29

Cartilage and Fat tissue

Front 30

The nasal area has two equal bones, meaning its _____.

Back 30

Bilateral

Front 31

What does the Maxillae bone form?

Back 31

The upper jaw

Front 32

The canine fossa is the what?

Back 32

The depression in the maxilla where the cheek muscles rest.

Front 33

The superior portion of the maxilla that forms the roof of the mouth is called the what?

Back 33

The Hard Palate

Front 34

What are aveoli in terms of the teeth?

Back 34

The holes where the teeth's upper roots rest

Front 35

The lower jaw is called what?

Back 35

The mandible

Front 36

The joint where the Mandible attaches to the temporal bone is called what?

Back 36

The temporal-mandibular joint. TMJ

Front 37

A good surface landmark is the corner where the vertical and horizontal portions of the mandible meet. what is it called?

Back 37

The angle of the mandible

Front 38

What is the bump on the mandible that forms the chin?

Back 38

The mental protuberance

Front 39

Similar to the Maxillae, the mandible has ____ where the roots of the teeth rest.

Back 39

Alveoli

Front 40

where is the frontal eminence?

Back 40

The forehead

the frontal bone

Front 41

Where are the superciliary crests?

Back 41

The eyebrows

just above the orbits

Front 42

Where is the glabella?

Back 42

Just between the eyebrows/superciliary crests

Front 43

Where is the occipital protuberance?

Back 43

back of the skull

occipital bone

Front 44

Where are the nuchal lines?

Back 44

Base of the skull

just beside the occipital protuberance

Front 45

Where are the temporal lines?

Back 45

The sides of the face

Part of the frontal bone and the zygomatic bone

Front 46

Where is the parietal eminence?

Back 46

The sides of the head, form the widest point of the skull

on the parietal bone

Front 47

Where is the auditory meatus?

Back 47

In the ear, leading to the ear canals

On the temporal bone

Front 48

Where is the mastoid process?

Back 48

just behind the ear

on the temporal bone

Front 49

Where are the zygomatic arch and zygomatic process?

Back 49

They form the cheekbones

Part of the temporal bone and the zygomatic bone

Front 50

Where are the nasal bones?

Back 50

Theyre in the base of the nose in the face

Front 51

Where is the angle of the mandible?

Back 51

corner of the jaw

it touches the temporal bones

Front 52

Where is the mental protuberance?

Back 52

It is the chin

It is part of the mandible