TOPIC 1C. Oral cavity and its features

Question 1

what makes up the oral cavity

Answer 1

the oral cavity proper and the vestible

Question 2

what binds the oral cavity dorsally, ventrally, laterally and caudally

Answer 2

palatum durum and molle
tongue and adjacent mucosa
laterally by dental arches and caudally by tongue and palatoglossal arch

Question 3

what marks the opening of the mouth

Answer 3

rima oris

Question 4

names of the upper and lower lips

Answer 4

labia oris superior/inferior
or
labium mandibular/maxillar

Question 5

corner of the mouth

Answer 5

angularis oris

Question 6

cheeks

Answer 6

bucca

Question 7

whats recess sublingualis lateralis

Answer 7

space under tongue between frenulum linguae and mandible

Question 8

name two structures at the frenulum linguae

Answer 8

caruncula linguae and plica sublingualis

Question 9

papilla parotidea

Answer 9

elevatioins on buccal orifice of ductus parotideus

Question 10

papilla incisiva

Answer 10

elevations at rostral raphe palatini

Question 11

rugae palatini

Answer 11

transverse ridges on hard palate - guide food backwards

Question 12

gums

Answer 12

gingiva

Question 13

opening of oral cavity to oropharynx

Answer 13

isthmus fauciem

Question 14

whats isthmus fauciem bound by

Answer 14

dorsally by soft palate
ventrally by radix linguae (end of tongue)
laterally by palatoglossal arches

Question 15

muscels of the soft palate

Answer 15

m levator veli palatini
m tensor veli palatine
m palatinus

Question 16

how does the vestibule connect with the proper oral cavity

Answer 16

interdental spaces

Question 17

do ru have upper incisor teeth

Answer 17

no

Question 18

ISDs area between upper lip and nostril

Answer 18

eq: planum labiale - small hairs
ru: planum nasi labiale: moist and mobile
ca: planum vibrissale - whiskers, philtrum
su: rostrum