Term
| What makes the roof of the nasopharynx? |
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Definition
| Inferior part of sphenoid and and occipital bone |
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Term
| During which phase of swallowing do suprahyoid muscles elevate larynx and epiglottis sealing off the larynx? |
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Definition
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Term
| The laryngopharynx is the posterior extension of the larynx from ____ to ____. What forms the superior and inferior boundaries? |
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Definition
| C4 to C6. superior border of epiglottis and inferior border of cricoid cartilage (C6) |
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Term
| What are the longitudinal muscles of the pharynx? Are they internal or external? |
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Definition
| Internal. stylopharyngeus, salpingopharyngeus and palatopharyngeus |
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Term
| What are the anterior and posterior attachments of the constrictor muscles? |
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Definition
| Attached posteriorly to pharyngeal raphe and anteriorly to lateral margins of the nasal and oral cavities, and the larynx |
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Term
| When swallowing, the _______ constrictor helps elevate the soft palate, thereby sealing off the nasopharynx |
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Definition
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Term
| What are the innervations of the constrictor muscles? |
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Definition
| CN X and superior cervical ganglion (pharyngeal plexus) |
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Term
| Stylopharyngeous enters into the gap below... |
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Definition
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Term
| What do the longitudinal muscles of the pharynx do? |
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Definition
| Elevates the pharynx, and larynx during swallowing and speaking |
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Term
| The gap above superior constrictor transmits... |
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Definition
| Transmits levator veli palatini, pharyngotympanic tube, ascending palatine artery |
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Term
| The gap below the superior constrictor transmits... |
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Definition
| Stylopharyngeus, CN IX, stylohyoid ligament |
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Term
| Which gap transmits the internal laryngeal nerve and superior laryngeal vessels? |
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Definition
| The gap below the middle constrictor |
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Term
| What does the gap below the inferior constrictor transmit? |
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Definition
| Recurrent laryngeal nerve and inferior laryngeal vessels |
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Term
| The tonsillar artery is a branch of the ______ artery. Other arteries supplying tonsils are: ascending and descending _______, lingual and _________ pharyngeal. |
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Definition
| facial, ascending and descending palatine, lingual and ascending pharyngeal |
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Term
| Blood supply to the upper pharynx comes from_______, to the lower pharynx comes from _______. |
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Definition
| External carotid, inferior thyroid |
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Term
| SUPERIOR drainage of the pharynx goes to the ______ in the ________ fossa. |
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Definition
| Pterygoid plexus, infratemporal |
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Term
| Inferior drainage of the pharynx is from _______ and _______ veins. |
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Definition
| facial and internal jugular |
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Term
| Lymph in the pharynx drains to which nodes? Which drains the palatine tonsil and can be palpated? |
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Definition
| Deep cervical, jugulo-digastric (inferior to the posterior belly of digastric) |
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Term
| What supplies motor innervation to the pharyngeal plexus? What are the exceptions? |
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Definition
| CN X, all but stylopharyngeus (CN IX) and tensor veli palatini (CN V) |
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Term
| Where would a fishbone be found in the pharynx? |
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Definition
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Term
| What are the subdivisions of the pharynx and their sensory innervations? |
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Definition
Nasopharynx – CN V
Oropharynx – CN IX
Laryngopharynx – CNX |
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Term
| foreign bodies lodging WHERE require general anesthesia to remove? |
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Definition
| piriform sinus or nasopharyx |
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