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BMS 224 - Head and Neck Anatomy > Skull - Text ch 6 > Flashcards

Skull - Text ch 6 Flashcards

1
Q

Where is the point of attachment for the lateral pterygoid muscle?

A

Anterior surface of the condyle

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2
Q

Which bones make up most of the hard palate, nose and upper dental ridge and are involved in clefting of the lip and hard palate?

A

The paired maxillae

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3
Q

What bone does the frontal process of the maxilla articulate with?

A

The frontal bone

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4
Q

What is the superior most point of the maxilla?

A

The frontal process

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5
Q

What makes up 3/4 of the hard palate?

A

The palatine process of the maxilla

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6
Q

What makes up the other 1/4 of the hard palate?

A

The horizontal plate of the palatine bone

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7
Q

At which location does a cleft lip occur?

A

Premaxillary suture

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8
Q

What are the small scroll-like bones found on the lateral surface of the nasal cavity?

A

Inferior nasal conchae

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9
Q

Describe the nasal bones and their articulation points:

A

Nasal bones: small. Make up the superior nasal cavity. Articulate with: Superiorly - frontal bone, laterally - frontal process of the maxillae, perpendicular plate of the ethmoid bone, nasal septal cartilage

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10
Q

Which bones do the inferior nasal conchae articulate with?

A

*Maxillae, palatine bones, ethmoid bone

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11
Q

The middle and superior nasal conchae are processes of which bone?

A

Ethmoid bone

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12
Q

How many bones and cartilages make up the nasal septum? Name them:

A 
2 bones: 
*Vomer
*Perpendicular plate of the Ethmoid bone
1 cartilage:
* Septal cartilage
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13
Q

Which bones does the zygomatic bone articulate with?

A
  • Maxilla
  • Frontal bone
  • Temporal bone
  • Sphenoid bone
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14
Q

What does the zygomatic arch consist of?

A
  • The temporal process of the zygomatic bone

* The zygomatic process of the temporal bone

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15
Q

The process of the maxilla that articulates with the zygomatic bone, found at the base of the orbital margin?

A

The maxillary process

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16
Q

The peak shape on the superior part of the Ethmoid bone is called what?

A

Crista Galli

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17
Q

What is the part of the Ethmoid bone which projects down, making up the superior nasal septum?

A

The perpendicular plate

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18
Q

The Sphenoid bone has 3 pairs of processes. Name them:

A
  • The greater wings
  • The lesser wings
  • The pterygoid processes
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19
Q

Which part of the Sphenoid bone comprises a part of the anterolateral skull, and articulates with the frontal and temporal bones?

A

The Greater wing

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20
Q

The fossa between the lateral and medial pterygoid plates is the point of attachment for which muscle of mastication?

A

Medial Pterygoid muscle

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21
Q

The foramen ovale in the sphenoid bone provides the conduit for which branch of CN V trigeminal?

A

CN V3 Mandibular Nerve

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22
Q

The optic canal of the superior Sphenoid carries which nerve?

A

CN II Optic Nerve

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23
Q

The foramen rotundum is the conduit for which of the branches of CN V trigeminal?

A

CN V2 Maxillary Nerve

24
Q

The point of articulation of the frontal and parietal bones?

A

Coronal suture

25
Q

The two parietal bones meet at the _____ ______.

A

Sagittal suture

26
Q

Articulation of partietal bones with the occipital bone is called….?

A

Lambdoidal Suture

27
Q

Articulation between parietal and temporal bone?

A

Squamosal suture

28
Q

Which bones does the occipital bone articulate with?

A

Temporal, Parietal and Sphenoid bones

29
Q

Large opening at the base of the occipital bone for the spinal cord and beginning of medulla oblongata.

A

Foramen Magnum

30
Q

Resting point for 1st cerebral vertebra on the base of the occipital bone.

A

Condyles

31
Q

Squamosal suture separating the temporal bone from the parietal bone is also known as the ___ ___.

A

Parietomastoid suture

32
Q

The temporal bone is separated from the occipital bone by the _____ ______.

A

Occipitomastoid suture

33
Q

Which 2 of the 4 nasal sinuses are visible on a mid-sagittal section?

A

Frontal sinus

Sphenoidal sinus

34
Q

Describe the heart:

A

4 chambered. L and R upper atria (upper chambers) and L and R Ventricles (lower chambers)

35
Q

Path of blood through body:

A

R Atrium -> R Ventricle -> Pulmonary arteries -> Lungs -> Pulmonary veins -> L Atrium -> L Ventricle -> Aorta -> Tissues -> Vena Cava -> R Atrium

36
Q

On which side is the brachiocephalic trunk?

A

Right side

37
Q

Path of blood to external carotid artery, RHS?

A

Aorta -> Brachiocephalic trunk -> R Common carotid artery -> [bifurcate around thyroid level]

  • Internal carotid artery
  • External carotid artery
38
Q

Some branches off the external carotid artery:

A
  • Lingual artery
  • Facial artery
  • Maxillary artery (TMJ et al)
  • Superficial temporal artery (skin and superficial cranium)
39
Q

Internal carotid arteries pass through the _____ _____ into the skull and supply ____ and _____ parts of the brain.

A
  1. Carotid canals
  2. anterior
  3. lateral
40
Q

Path of blood to posterior brain, RHS:

A

Aorta -> brachiocephalic trunk -> Subclavian artery -> vertebral artery -> [L and R unite/merge] -> Basilar artery ->

41
Q

Venous blood return path from superficial structures of head and neck:

A

L and R external jugular veins -> L and R brachiocephalic veins -> Superior vena cava -> R Atrium of heart

42
Q

Venous blood return from deep structures of head and neck:

A

Dural sinuses (brain) and vertebral veins -> L and R internal jugular veins -> L and R brachiocephalic veins -> superior vena cava -> R Atrium of heart

43
Q

Which structures do the L and R internal jugular veins travel alongside:

A
  • Common carotid arteries

* Trachea / larynx

44
Q

What is a process?

A

A prominence or projection of bone that usually serves as an attachment point for ligaments or muscles.

45
Q

What is a foramen (pl. foramina)?

A

A hole in a bone, usually for a nerve or blood vessel to pass through.

46
Q

What kind of a joint is the TMJ?

A

Synovial joint (fluid filled capsule and ligaments surrounding it).

47
Q

These paranasal sinuses are found posterior to the ethmoid sinuses.

A

Sphenoid sinuses

48
Q

3 functions of a the paranasal sinuses:

A
  1. Reduction of skull weight
  2. Contribute to voice resonance
  3. Increase surface area for warming and humidifying inhaled air
49
Q

These paranasal sinuses are found just above the orbits.

A

Frontal sinuses

50
Q

These paranasal sinuses are found laterally to the nasal cavity

A

Maxillary sinuses

51
Q

These paranasal sinuses are found posterior to the frontal sinuses and superior to the nasal cavity. They have a honeycomb-like appearance:

A

Ethmoid sinuses (ethmoid cells)

52
Q

Name the four paranasal sinuses:

A
  1. Frontal sinuses
  2. Maxillary sinuses
  3. Ethmoid sinuses
  4. Sphenoid sinuses
53
Q

What are the paranasal sinuses?

A

Hollow air spaces lined with mucous membrane (that produces mucous).

54
Q

Why does our voice sound flat or dull when we have inflammation in our sinuses?

A

Causes paranasal sinuses to swell and overproduce mucous - effects voice resonance as the resonant air space starts to become filled with mucous.

55
Q

How does mucous produced in the paranasal sinuses drain?

A

Via ducts into the nasal cavity

BMS 224 - Head and Neck Anatomy (14 decks)

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