2.3 The Bones and Cartilages of the Nose Flashcards

1
Q

What are the functions of the Nose?

A
  1. Traps Dirt
  2. Humidification of the air
  3. Olfaction (Smell)
  4. Respiration
  5. Reception and Elimination of secretions from the Nasal Mucosa, Paranasal Sinuses, and Nasocrimal Ducts
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2
Q

Which bone does the Nasal Bone articulate to superiorly?

A

The Frontal Bone

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3
Q

What articulates with the Nasal bones laterally?

A

The Frontal Process of the Maxilla

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4
Q

What are the bones which participate in the forming of the Roof of the Nasal Cavity?

A

Anterior to Posterior:
1. Nasal Bones
2. Part of the Frontal Bone
3. The Ethmoid Bone (Containing the Cribriform Plate)
4. The Sphenoid Bone

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5
Q

What are the bones which participate in the forming of the Floor of the Nasal Cavity?

A

Anterior to Posterior:
1. Palatine Process of the Maxilla
2. Palatine Bone
3. Soft Palate

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6
Q

What are the bones which participate in the forming of the Lateral Wall of the Nasal Cavity?

A

Superior to Inferior:
1. Superior Concha (Formed from the Perpendicular Plate of the Ethmoid Bone)
2. Middle Concha (Formed from the Perpendicular Plate of the Ethmoid Bone)
3. Inferior Concha (This is a Bony Structure by Itself)
4. Perpendicular Plate of the Palatine Bone
5. Maxilla

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7
Q

What does the Nasal Septum do?

A

It divides the Nasal Cavity into 2 halves

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8
Q

What forms the Nasal Septum?

A

Anterior - Septal Cartillage
Posterosuperior - Perpendicular Plate of the Ethmoid Bone
Posteroinferior - Vomer

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9
Q

Name the important parts of the Ethmoid Bone:

A
  1. The Cribriform Plate
  2. The Crista Gali
  3. The Central Plate
  4. The Superior Concha
  5. The Middle Concha
  6. Ethmoid Air Cells
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10
Q

What passes through the Cribriform Plate?

A

Olfactory Nerves

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11
Q

What attaches to the Crista Gali?

A

The Falx Cerebri (A fold in Dural Tissue)

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12
Q

What 2 bones form the Hard Palate?

A
  1. The Palatine Process of the Maxilla
  2. The Palatine Bone
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