Chapter 6 Part 4 Flashcards
Cavity from lips and cheeks, gums and teeth
to area behind the third molar
Buccal Cavity
Cavity Bounded by teeth (ant, lat), fauces (Faucial pillar), palate and tongue
Oral cavity
junction of oral/nasal and pharyngeal cavities
Fauces
Fauces above
soft palate
Fauces below
Dorsum of tongue
The pharyngeal cavity is __ cm long
12
courses lateral, back & up to middle ear
Eustachian tube
salpingopharyngeal fold
torus tubarius
Cavity that has two chambers separated by bony/cartilaginous septum
Nasal cavity
What are the 7 articulators?
Lips hard palate soft palate Cheeks mandible Teeth tongue
red part of lips
Vermillion zone
orifice of mouth & external boundary of buccal cavity
Lips
vertical line on side of philtrim
Philtrum column
anterior-most aspect of septum
cupid’s bow
Columnella nasi
groove on upper lip
Philtrum
attachment for upper and lower lip to alveolar process
Labial frenulum/ frenum
inner surface of lip around orifice
Labial glands
oval ring of fibers that encircles mouth as a sphincter (draw string); unpaired muscle
Orbicularis oris
What is the action of the orbicularis oris?
unpaired muscle that pucker lips, closes mouth
pull lips toward teeth (/i/); stretch lips out
Transverse muscles
pull corners up or down (smile or frown)
Angular muscles
pull upper lip up, lower lip down
Vertical muscles
Muscle for pouting
Depressor labii inferior
Muscle for grinning
Zygomatic major
Muscle for frowning
Depressor anguli oris
