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Axial Skeleton > Skull > Flashcards

Skull Flashcards

1
Q

How many bones does the skull contain?

A

29 bones

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2
Q

How many cranial bones does the Skull consist of?

A

8 bones

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3
Q

How many facial bones does the Skull consist of?

A

14 bones

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4
Q

Another word for the floating bone in the throat?

A

Hyoid bone

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5
Q

How many ear (auditory) ossicles are in the skull?

A

6 ossicles

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6
Q

How many paired facial bones do we have in the skull?

A

Six paired

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7
Q

How many single facial bones do we have in the skull?

A

Two singles

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8
Q

What are the two single facial bones that we have in the skull?

A

The mandible and vomer

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9
Q

What are the six paired facial bones that we have in the skull?

A

The maxillary, zygomatic, nasal, lacrimal, palatine, and inferior nasal concha bones.

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10
Q

What are the four single cranial bones that we have in the skull?

A

Frontal, occipital, ethmoid, and sphenoid

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11
Q

What are the two paired cranial bones that we have in the skull?

A

Temporal and parietal

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12
Q

How many paired cranial bones do we have in the skull?

A

Two paired

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13
Q

How many single cranial bones do we have in the skull?

A

Four singles

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14
Q

Cranial vault (cranium) is what portion of the skull?

A

The superior portion of the skull

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15
Q

Cranial base is what portion of the skull?

A

The Anterior portion of the skull

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16
Q

The Cranial base is divided into how many indentations?

A

3 indentations

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17
Q

The three indentations of the Cranial base are?

A

Anterior cranial fossa, middle cranial fossa, and posterior cranial fossa

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18
Q

How many cavities does the skull contain?

A

5 cavities

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19
Q

What are the 5 cavities of the skull?

A

Cranial cavity, Orbits, Paranasal sinuses, Nasal cavity, and Oral cavity

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20
Q

The superior dome like portion of the skull is called what?

A

Calvaria (skullcap)

21
Q

How many fossae are in the cranial floor?

A

There are 3 fossae of the cranial floor

22
Q

The brain fits into what?

A

The fossae

23
Q

How many sutures are in the Cranial part of the skull?

A

There are 5 sutures

24
Q

What are the names of the 5 sutures of the Cranial part of the skull?

A

Coronal, Sagittal, Lambdoidal, Squamous, Occipitomastoid

25
Q

The function of the foramina in the cranial floor is to do what?

A

Most are for the passage of cranial nerves; blood vessels also pass through some

26
Q

The bones that compose the anterior fossa?

A
27
Q

The bones that compose the middle fossa?

A
28
Q

The bones that compose the posterior fossa?

A
29
Q

What are the four major sutures of the cranium?

A

Coronal, Sagittal, Lambdoidal, and Squamous

30
Q

The Coronal suture articulates the?

A

Frontal bone to the two parietal bones

31
Q

The sagittal suture articulates the?

A

The two parietal bones

32
Q

The Lambdoidal suture articulates the?

A

The occipital bone to the two parietal bones

33
Q

The Squamous suture articulates the?

A

The temporal bone to the two parietal bones

34
Q

What is the clinical significance of the mastoid process?

A
35
Q

what is the clinical significance of the thin, squamous portion of the temporal bone?

A
36
Q

Why is the Hyoid bone referred to as the floating bone?

A

It is the only bone in the body that does not articulate with another bone

37
Q

Why is the Sphenoid bone called the keystone of the cranium?

A
38
Q

Why is the Hyoid bone called the keystone of the facial bones?

A
39
Q

The five parts of the Mandible?

A

Body, Ramus, Mandibular condyle, Alveoli, and Mandibular symphosis

40
Q

How many parts of the Mandible are there?

A

There are 5 parts of the mandible

41
Q

How many parts of the Maxillae are there?

A

There are two parts of the Maxillae

42
Q

What are the two parts of the Maxillae?

A
43
Q

What 7 bones compose the orbit of the eye?

A
44
Q

What 4 bones contain the paranasal sinuses?

A
45
Q

What 2 bones compose the nasal septum?

A
46
Q

What 2 bones compose the hard palate?

A

The palatine process and the palatine bone

47
Q

What is the Mandibular condyle?

A

The site of articulation with temporal bone, providing the only freely moveable joint of the skull-the temporomandibular joint (TMJ)

48
Q

Very thin; easily fractured section of the Temporal bone?

A
49
Q
A

Axial Skeleton (3 decks)

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