Larnyx And Paranasal Sinuses Flashcards
Where does the frontal paranasal sinus drain?
Into the semilunar hiatus of middle meatus
Where do the ethmoidal sinus drain?
Anterior and middle into the middle meatus
Posterior into the superior nasal meatus
Where does the sphenoidal paranasal sinus drain
Into the sphenoid-ethmoidal recess
Where does the maxillary. Sinus drain?
Into the middle meatus ( semilunar hiatus)
Which kind of epithelium lines the laryngopharnx and the oropharnyx
Stratified squamous epithelium
What tonsils comprise Waldeyers ring
The tubal, palatine, nasopharyngeal and lingual tonsils and they have a protective lymphatic immunological function
Where would you find the vestibule
Lies between the larngyeal inlet( just posterior to the epiglottis ) and the vestibular folds
What is the Roma glottidis
The slit between the vocal folds
Where does the infra glottic cavity extend
The space below the vocal cords to the level of the cricoid cartilage,below the cricoid cartilage the infraglottic cavity becomes the trachea
What kind of cartilage comprises the laryngeal cartilages and what is the exception
HYALINE CARTILGAE
The epiglottis is the exception this is made of elastic Cartilage
Which cartilage is the only complete ing
The cricoid carriage
What is the name of the membrane that spans the space between the thyroid cartilage and the hyoid bone
The thyrohyoid membrane
Where is the quadrangler membrane
From arytenoid cartilage to the thyroid cartialge to epiglottis
Where is the vocal ligament found
Superior free edge of the cricothryoid ligament
What fold forms over the superior free edge of the quadrangler membrane
Wha its function
Are-epiglottic fold
Forms the laryngeal inlet which is the protective sphincter of the larynx
What is the name of the space between the vocal cords
Rima glottidis
What fold is formed over the inferior free edge of the quadrangler membrane
The vestibular folds which are also known as the false vocal cords
What is the only muscle that functions to open the rima glottidis
The posterior cricoarytenod is the only muscle that OPENS the vocal cords
Name the two muslces that close the rima glottidis
The transverse arytenoid and lateral cricoarytenoid muscles
How is pitch of voice altered
By increasing ( higher pitch) or shortening (lower pitch) of the vocal folds
Wha nerve are all intrinsic muscles of the larnyx supplied by
Recurrent laryngeal nerve
What nerve is cricothyroid supplied by
External branch of superior laryngeal nerve
The sensory nerve supply to the larnyx is divided into above the vocal cords and below the vocal cords - What are the two nerve supples
Above the vocal cords the nerve supply is the internal branch of superior laryngeal nerve and below the vocal cords is the recurrent laryngeal nerve
Which cranial nerve gives branches that supply the larnyx
The vagus nerve
Is the rima glottidis closed or open during speech production
It is closed and the air is forced through causing vibrations
