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20 Cards in this Set
- Front
- Back
What is the skeleton of the nose composed of?
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The skeleton of the external nose is largely cartilaginous, except for the Nasal Bones.
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What forms the superior border of the nasal cavity?
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The Anterior Cranial Fossa via the Cribriform Plate of the Ethmoid Bone.
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What forms the lateral borders of the nasal cavity?
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The Maxillary Sinuses and the Ethmoidal Sinuses (superior to the cross section shown)
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What forms the inferior border of the nasal cavity?
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The Hard and Soft Palate
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What defines the posterior border of the Nasal Cavity?
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The Nasopharynx
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What structure is indicated by the white arrow?
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The Superior Concha of the ethmoid bone.
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What structure is indicated by the white arrow?
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The Middle Concha of the Ethmoid Bone.
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What bone is indicated by the white arrow?
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The Inferior Concha (a distinct bone, not part of the Ethmoid)
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How do the Conchae control air flow in the nasal cavity?
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They direct air flow to ensure contact with the largest surface of cilia and maintain temperature and humidity within the respiratory tract.
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What is the name of the space inferior to the Superior Concha?
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The Superior Meatus
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What is the name of the space inferior to the Middle Concha?
What structures are found in it? |
The Middle Meatus.
The Bulla Ethmoidalis and the Hiatus Semilunaris |
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What is the space inferior to the Inferior Concha?
What duct opens into this space? |
The Inferior Meatus
The Nasolacrimal Duct opens into this meatus. |
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What structure on the Nasal Septum is indicated by the white arrow?
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The Septal Cartilage
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What structure on the Nasal Septum is indicated by the white arrow?
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The Perpendicular Plate of the Ethmoid
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What structure on the Nasal Septum is indicated by the white arrow?
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The Vomer
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What structure is indicated by the white arrow?
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The Frontal Sinus
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What structure is indicated by the white arrow?
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The Sphenoidal Sinus
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What sinuses are indicated by the white arrows?
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The Frontal Sinuses.
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What sinuses are indicated by the white arrows?
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The Maxillary Sinuses
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What sinuses are indicated by the white arrows?
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The Ethmoidal Sinuses (or cells)
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