exam 3 chapter 17 Flashcards
(37 cards)
what 2 sinuses are accessible to examine
frontal and maxillary sinuses
where are the frontal sinuses locations
frontal bone above and medial to the orbits
where are the maxillary sinuses located
in the maxilla along side walls of nasal cavitiy
what are the 2 deeper sinuses
ethmoid sinuses and sphenoid sinuses
which sinuses are present at birth
maxillary ethmoid sinuses
what is the first segment of the digestive system and an airway for the respiratory system
mouth
short passage bordered by lips, palate, cheeks, and tongue
oral cavity
anterior border of oral cavity, transition zone from skin to inner mucous membrane lining the oral cavity
lips
arching roof of mouth divided into 2 parts
palate
anterior part made up of bone
hard palate
posterior part, and arch of muscle that is mobile
soft palate
free projections hanging down from middle of soft palate
uvula
side walls of oral cavity
cheeks
what makes up the floor of the mouth
horseshow-shaped mandible bone
tongue, and underlying muscles
striated muscle arranged in a crosswise pattern so that it can change shape and position
tongue
rough, bumpy elevations on its dorsal surface
papillae
smooth, shiny and has prominent veins
ventral surface
midline fold of tissue connecting to floor of mouth
frenulum
why is it important for the tongue to change shape
enhances functions in mastication, swallowing, cleansing teeth, and the formation of speech
how many salivary glands does the mouth contain
3
gland lies within cheeks in front of ear
parotid gland
stensen’s duct
runs forward to open on buccal mucosa opposite second molar
glands beneath mandible at angle of jaw
submandibular gland
wharton’s duct
runs up and forward to the floor of mouth and opens at either side of frenulum