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15 Cards in this Set
- Front
- Back
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Six muscles that span length of pharynx
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superior, middle, and inferior constrictors, salpingopharyngeus, palatopharyngeus (X), and stylopharyngeus (IX)
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the three areas of the pharynx
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nasal pharynx, oral pharynx, and laryngeal pharynx
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four layers of pharynx
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visceral, muscular, fibrous, mucous
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which muscle is not innervated by X
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stylopharyngeus (IX)glossopharyngeal
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located near auditory canal
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salpingopharygeus
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nerve supply to pharynx
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IX, X, V2 and sympathetic fibers from cervical ganglion
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area of anterior nose bleed
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Kiesselbach’s area ( 5 arteries converge )
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The Isthmus contents
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A collection of lymphoid tissue, called the pharyngeal tonsil is present in the roof of this area
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Torus Tubarius
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Tube is directed forward, medially and downward
Posterior margin of the tube forms an elevation, called the tubal elevation (Torus Tubarius) Posterior 1/3 runs in the temporal bone |
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opens auditory tube when swallowing
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The tensor veli palatini (V)
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Elevates soft palate in swallowing and yawning.
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The levator veli palatini (X)muscle is attached to cartilage of tube & petrous portion temporal bone superiorly & soft palate inferiorly.
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salpingopharyngeal fold
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salpingopharyngeus muscle is attached to the lower margin of the tube, and produces a vertical fold in the mucous membrane called
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parts of mouth
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Labial frenulum
Palatine tonsil Palatopharyngeal arch Tonsils lie between folds |
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muscles of floor of mouth
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Anterior belly Digastric, Geniohyoid, Mylohoid
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external muscles of tongue
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Styloglossus (CN XII), Hyoglossus (CNXII), Genioglossus (CNXII), Palatoglossus (CNX)
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