Unit 2: Oral Cavity

Front 1

boundaries of the oral cavity

Back 1

Roof: palate

Floor: tongue and mucosa

Lateral and Anterior walls: (outer) cheeks/lips, (inner) teeth/gums

Front 2

space between cheeks/lips and teeth/gums

Back 2

vestibule

Front 3

crease where lips go together

Back 3

oral fissure

Front 4

space of teeth/gum

Back 4

oral cavity proper

Front 5

the palate is made of

Back 5

roof of the mouth and floor of nasal cavity

Front 6

2 parts of palate

Back 6

hard palate: 4/5 formed by maxillae and palatine bones

soft palate: 1/5 of fibromuscular fold ending in uvula

Front 7

the uvula muscle and function

Back 7

musculus uvulae M;

closes off nasopharynx when swallowing

Front 8

2 folds of soft palate

Back 8

palatoglossalfold/arch

palatopharyngealfold/arch

Front 9

blood supply to the soft palate arches

Back 9

greater and lesser palatine a

Front 10

innervation to soft palate arches for sensory and skeletal

Back 10

sensory: great and lesser palatine NN

skeletal: vagus N

Front 11

What are the 5 muscles of the palate?

What is the major function of these?

Back 11

Musculusuvulae

Palatopharyngeus M

Palatoglossus M

Levator veli palatini M

Tensorveli palatini M

Swallowing!

Front 12

innervation for the muscles of the palate

Back 12

Musculusuvulae: vagus n.

Palatopharyngeus: vagus n.

Palatoglossus: vagus n.

Levator veli palatini: vagus n.

Tensorveli palatini: mandibularbranch of trigeminal n.

Front 13

tongue have muscular attachments to the

Back 13

mainly hyoid bone and mandible

Front 14

indentation of the tongue

Back 14

sulcus terminalis

Front 15

sulcus terminalis divides tongue into 2 parts with an apex

Back 15

anterior and posterior

foramen cecum

Front 16

3 types of lingual papillae on the anterior 2/3 of the dorsal surface of the tongue.

describe each in appearance and arrangment

Back 16

1. Vallate papillae–form"V" anterior to sulcus terminalis tast buds here

2. Filiformpapillae–cone shaped arrangedin rows parallel to sulcus terminals but no taste buds

3. Fungiformpapillae– mushroom shaped on on edges and apex of tongue

Front 17

Innervation of the lingual papillae

Back 17

innervation: lingual N (Mandibular N)

Front 18

pharyngeal part of the tongue is located

Back 18

•posterior 1/3 of dorsum of tongue

Front 19

what is important on the pharyngeal part of the tongue

Back 19

lingual tonsil/lingual lymphoid follciles

and lingual frenulum

Front 20

4 muscles of the tongue

Back 20

styloglossus

hyoglosses

genioglosses

palatoglossus

Front 21

innervation of each tongue muscles

Back 21

3 from Hypoglossal n

exception is Palatoglossus m. (Vagus n.)

Front 22

GSA and taste innervation of the anterior 2/3 of the tongue

Back 22

–sensory: lingual n.–taste: chorda tympani

Front 23

GSA and taste innervation of posterior 1/3 of the tongue

Back 23

general and taste: glossopharyngeal n.

Front 24

GSA and taste innervation of epiglottic region of the tongue

Back 24

–general and taste: vagus n.

Front 25

blood supply to the tongue

Back 25

lingual A from external carotid A

-terminates as deep lingual A

Front 26

salivary glands of the mouth

Back 26

1.parotid

2.submandibular

3.sublingual

Front 27

the parotid duct empties _______ into ______ at the level of __________

Back 27

saliva

vestibule

level of 2nd upper molar

Front 28

duct of the submandibular gland

Back 28

whartons duct

Front 29

whartons duct empties saliva at one opening on either side of the

Back 29

lingual frenulum

Front 30

innervation of the submandibular gland.

parasympathetic or sympathetic?

Back 30

–parasympatheticfrom facial n.

Front 31

sublingual glands empties saliva into ________ via _______

Back 31

floor of mouth via 12 ducts