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Skull Anatomy > Cranium > Flashcards

Cranium Flashcards

1
Q

Facial bones how many

A

14

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2
Q

Skull cap aka

A

Calvarium

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3
Q

What are the bones of the Calvarium

A

Frontal
Rt/ lt parietal
Occipital

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4
Q

Bones that make up the floor of the cranium

A

Ethmoid
Sphenoid
2 temporal bones

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5
Q

Landmarks of frontal bone

A 
Glabella 3rd eye
Superciliary ridge/arch under brow 
Supraorbital margin SOM
Supraorbital groove
Frontal tuberosity
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6
Q

Cranium how many bones

A

8

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7
Q

Name the sutures

A

Coronal, Squamosal, Lambdoidal, Saggital

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8
Q

The junction between the coronal and Sagittal sutures is

A

Bregma

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9
Q

The junction between the Lambdoidal and Saggital sutures

A

Lambda

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10
Q

The junction of the occipital, parietal, and mastoid portion of the temporal bone

A

Asterion

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11
Q

The junction of the parietal bone, Squamosal suture, and greater wing of the sphenoid is

A

Pterion

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12
Q

Names of the fontanels/ fontanelles

A

Anterior, Posterior, Sphenoidal, Mastoid

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13
Q

Where are olfactory Foramen

A

In cribriform plate

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14
Q

What do the superior and middle nasal concha do

A

Warm the air we breathe

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15
Q

Makes up a portion of the nasal septum

A

Perpendicular plate

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16
Q

Pituitary gland sits where

A

Sella turcica

17
Q

Pituitary gland aka

A

Hypophysis

18
Q

Organs of hearing and balance are contained in there

A

Petronius portion of temporal bone

19
Q

What type of joints are adult sutures?

A

Fibrous joints, synarthroidal

20
Q

What are the functions of fontanelles

A

Let’s skull move through birth canal, allows for growth

21
Q

When doe fontanelles start to close and when are the completely fused

A

18 months and around 11,12,13 years old.

22
Q

Which fontanelle is biggest

A

Anterior fontanel/ Bregma

23
Q

The skull shapes represent

A

The angle that the Petrous ridge lays in skull

24
Q

Mesocephalic

A

Average skull; width is 15cm and 79% of length (19cm)

25
Q

Brachycephalic

A

Fat head; width is 80% or more of length

26
Q

Dolichocephalic skull

A

Narrow, longer; width is less than 75% of length;

27
Q

The angle from the MSP to the Petrous ridge in a Brachycephalic skull is

A

54 degrees

28
Q

The angle from the MSP to the Petrous ridge in a Mesocephalic skull

A

47degrees

29
Q

The angle from the MSP to the Petrous ridge in a dolichocephalic skull

A

40 degrees

30
Q

Widest part of cranium

A

Parietal tubercles/eminences

31
Q

Frontal bone landmarks

A

Glabella; supercilliary ridge; supra orbital margin; supraorbital groove; frontal tuberosity/eminence

32
Q

External occipital protuberance aka

A

Inion

33
Q

Forms occipito-Atlantal joint

A

Lateral condylar portion (occipital condyles)

34
Q

Petrous pyramid aka

A

Pars petrosa

Petromastoid

35
Q

The parietal bones articulate with what bones?

A

Frontal
Occipital
Temporal
Sphenoid

Skull Anatomy (1 decks)

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