Mouth And Tongue

Question 1

What is the vestibule

Answer 1

The sulci between the cheeks and the teeth

Question 2

What is the vermillion boarder

Answer 2

Outside of lips - think lipstick

Question 3

Palatoglossal arch

Answer 3

Boundary of mouth and oropharynx

Question 4

Three types of papillae (tongue)

Answer 4

Filiform (no taste)
Circumvallate (taste - posterior)
fungiform (taste - anterior)

Question 5

Extrinsic muscles of tongue and innervation

Answer 5

Genioglossus hypoglosssal nerve XII
Hypoglossal hypoglosssal nerve XII
Styloglossus hypoglosssal nerve XII
Palatoglossus Vagus X

Question 6

Intrinsic muscles of the tongue

Answer 6

Superior longitudinal muscle
Inferior longitudinal muscle
Transverse muscle
Verticals muscle

ALL Hypoglossal XII

Question 7

Summarise motor and sensory innervation of the tongue

Answer 7

Motor: Hypoglossal XII ALL except palatoglossus=VagusX

Sensory:
Taste = Glossopharyngeal IX (posterior 1/3), Lingual (V3) - anterior 2/3

Somatosensory temp/touch = chorda tympani (Facial VII)

Question 8

Muscles of the soft palate and innervation

Answer 8

Levator Veli Palatini (Vagus X)
Palatoglossus (Vagus X)
Palatopharyngeus (Vagus X)

Tensor veli palatini (Trigeminal V3)

Question 9

What type of tissue are tonsils?

Answer 9

Lymphoid tissue

Question 10

The tonsils (4)

Answer 10

Pharyngeal (adenoids) - swelling = hyponasality
Tubal (paired)
Palatine (paired) - swelling = hypernasality
Lingual

Question 11

Arches in oral cavity

Answer 11

Palatoglossus arch (uvula)
Palatopharyngeal arch (tonsils)