lecture 2 - oral cavity

Question 1

What is the oral cavity proper?

Answer 1

The space enclosed by the alveolar arches and teeth

Question 2

What is the oral vestibule?

Answer 2

The area between the teeth and the gingiva and the walls of the mouth (everywhere outside the oral cavity proper)

Question 3

What structure separates the nasal and oral cavities?

Answer 3

Hard palate

Question 4

Where does the parotid duct open into?

Answer 4

Beside the upper 2nd molar in the vestibule

Question 5

Which ducts open into the oral cavity proper?

Answer 5

Submandibular duct, sublingual duct

Question 6

What is the anatomical name for the gums?

Answer 6

Gingiva

Question 7

What is the name for the mucosa that covers the cheek side of the vestibule?

Answer 7

Buccal mucosa

Question 8

What is the name for the gums under the tongue in the oral cavity proper?

Answer 8

Lingual gingiva

Question 9

What is the name for the septum-like structure that connects the tongue to the base of the oral cavity proper?

Answer 9

Frenulum

Question 10

What structures form the roof of the oral cavity proper?

Answer 10

Hard and soft palates

Question 11

What structures form the floor of the oral cavity proper?

Answer 11

Geniohyoid & mylohyoid, tongue

Question 12

Where is the posterior exit of the oral cavity proper?

Answer 12

Oropharyngeal isthmus/palatoglossal folds

Question 13

What 2 bones make up the hard palate?

Answer 13

Maxilla, palatine bone

Question 14

What is the name for the ridges in the oral surface of the hard palate?

Answer 14

palatine rugae

Question 15

What is the function of the uvula?

Answer 15

Prevents food from going from up into the nose

Question 16

What are the 5 muscles of soft palate?

Answer 16

Tensor palati, Levator palati, palatopharyngeus, palatoglossus, musculus uvulae

Question 17

What are the 2 arches at the entrance to the orophraynx?

Answer 17

palatoglossal arch, palatopharyngeal arch

Question 18

What are the 2 parts of the tongue

Answer 18

Oral (anterior) and pharyngeal (posterior)

Question 19

What structures form a V-shape on the tongue at the back of the oral part?

Answer 19

Vallate papillae

Question 20

What are the extrinsic muscles of the tongue?

Answer 20

Mylohyoid, geniohyooid, hyoglossus, styloglossus

Question 21

What are the intrinsic muscles of the tongue?

Answer 21

horizontal, vertical, transverse

Question 22

What are the functions of saliva?

Answer 22

hygiene, pH, amylase for starch breakdown, lubrication

Question 23

Where is the parotid gland located?

Answer 23

In the jaw, in front of the ear

Question 24

Which muscle does the parotid duct penetrate?

Answer 24

Buccinator

Question 25

Where is the submandibular gland located?

Answer 25

Under the mandible, posterior to the sublingual gland

Question 26

Where is the sublingual gland located?

Answer 26

Under the tongue, anterior to the submandibular gland

Question 27

Where does the submandibular duct open?

Answer 27

In front of the frenulum in the oral cavity proper

Question 28

Where does the sublingual gland open?

Answer 28

By the frenulum in the oral cavity