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Biomedicine > Skull > Flashcards

Skull Flashcards

1
Q

What are the functions of the skull?

A

Protects the brain and organs of special sense
Protects openings for passage of food and air
Houses teeth for mastication

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1
Q

How many bones in total in the skull?

A

22 bones

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2
Q

How many bones in the Neurocranium?

A

8 bones (braincase)

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3
Q

What bones are in the neurocranium?

A

Frontal, Parietal. Occipital, Temporal, Ethmoid

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4
Q

How many bones in the Viscerocranium?

A

14 bones (facial skeleton)

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5
Q

What bones in the Viscerocranium?

A

Mandible, maxilla, palatine, vomer, nasal, inferior nasal concha, lacrimal, zygomatic

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6
Q

Function of Maxilla?

A

Houses all upper teeth (x2)

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7
Q

Function of Mandible

A

Jaw bone

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8
Q

Function of zygomatic?

A

Cheekbone - up to below of each eye socketFun

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9
Q

Function of Lacrimal?

A

Conveys tears out of orbital cavity down nasal cavity

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10
Q

Location of inferior nasal concha?

A

Bottom bone in nasal cavity and sits above the hard palate

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11
Q

Function of Palatine?

A

Makes up hard palate - roof of mouth

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12
Q

Location of Vomer bone?

A

Located in centre of nasal cavity

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13
Q

What are Sutures?

A

Joints in skull that look like stitches - big one between two parietal bones

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14
Q

Function of Sutures?

A

Allow minimal movement between bones - only enough for shock absorption, connects bones in skull

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15
Q

What is the Temporomandibular Joint?

A

Hinge type joint in jaw - joins temporal and mandible

16
Q

Function of Temporomandibular joint?

A

Chewing, opening/closing of mouth, speaking etc.

17
Q

What are fossae?

A

Depression in cranium that contains anatomical structures such as the brain, nerves blood vessels and muscles.

18
Q

What is the Foramina?

A

Holes in skull that nerves and blood vessels pass through

19
Q

Function of Foramina?

A

To supply blood and oxygen

Biomedicine (3 decks)

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