Ch 5: paranasal sinuses, pharynx & larynx Flashcards
three subdivisions of pharynx, in order from superior to inferior
nasopharynx
oropharynx
laryngopharynx
mucosa found in the surface epi of the NASOpharynx
respiratory w/ mucociliary clearance
mucosa found in the surface epi of the OROpharynx
stratified squamous
mucosa found in the surface epi of the LARYNGOpharynx
startified squamous
LP in the pharynx is of ___ CT
loose
pharyngeal tonsils (or adenoids) are found in the
nasopharynx
palatine AND lingual tonsils are found in the
oropharynx
NO tonsils are found in the
largyngopharynx
there is no __ mucosa found in the pharynx
muscularis
submucosa AKA
pharyngobasilar fascia
submucosa/pharyngobasilar fascia is collagen in ____ of basilar portion of occiput that blends into wall of pharynx for added ____
periosteum
support
outside the submucosa in the pharynx and within the ureter the ____ ___ is found
muscularis externa
two unique features of muscularis externa
all skeletal musscle reversed pattern (inner long. musc/outer circ. musc)
adventitia AKA
buccopharyngeal fascia
____ of buccinator muscle blends into the adventitia of pharynx
epimysium
the ___ lies between the pharynx and trachea
larynx
in the larynx, the surface epi upper surface is __ __, some parts will transition to respiratory
stratified squamous
lamina propria in larynx is ___ CT with seromucus glands
loose
___ within the larynx wall are all connected by ligaments and function to maintain open ____ and for air ___ production
cartilages
airway
sound
two cartilage types within larynx
hyaline
elastic
thyroid, cricoid, and INFERIOR arytenoid cartilages are all made up of _____cartilage
hyaline
epiglottis, cuneiform, corniculate, SUPERIOR arytenoid cartilages are all made of ___ cartilages
elastic
general function of epiglottis
keep food/liquid out of larynx (swallowing)
