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13 Cards in this Set
- Front
- Back
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What parts of the nasal mucosa are involved in olfaction and respiration? |
Olfaction- upper 1/3 Respiration- lower 2/3 |
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What bones compose the superior, middle, and inferior nasal conchae? |
Superior and middle- ethmoid bone
Inferior- other skull bones |
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Role of septal and alar cartilages |
Septal- divides nasal cavities into left and right Alar (lateral to the septal)- gives shape to the nostrils |
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Which oral/nasal cavity does the auditory tube connect to? |
Nasopharynx |
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What are the Torus tubarius and Salpingopharyngeal fold? |
Torus tubarius- Cartilage of the auditory tube Salpingopharyngeal fold- fold that extends postero-inferiorly from the Torus tubarius |
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What is the palatoglossal fold? What divides this into left and right? |
-Fold that distinguishes the oral cavity from the oropharynx *Divided into left and right by the fauces |
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What folds surround the palatine tonsils? |
Palatoglossal and palatopharyngeal folds |
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What is the extent of the laryngopharnx? |
Hyoid bone to cricoid cartilage (lower border) |
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Extent of oropharynx |
Soft palate to epiglottis |
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What is the aditus? |
Laryngeal inlet |
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Borders of piriform recess |
Medial- larynx Lateral- thyroid cartilage Posterior- inferior pharyngeal constrictor muscle |
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Clinical significance of adenoids |
Enlargement may obstruct the nasopharynx (forced to breath through mouth) |
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Location of nasolacrimal duct in nasal cavity |
Inferior to the inferior concha (within the anterior portion of the inferior meatus) |
