salivary glands

Question 1

How many pairs of salivary glands are there and what are they?

Answer 1

3
parotid
submandibular
sublingual

Question 2

What type of saliva does the parotid salivary gland produce?

Answer 2

Serous saliva

Question 3

Which is the largest salivary gland?

Answer 3

Parotid

Question 4

is the parotid salivary gland encapsulated?

Answer 4

yes- 2 lobes

Question 5

What is the location of the parotid salivary gland?

Answer 5

Extends from the zygomatic arch to the angle of the mandible anterior to the ear.

Question 6

What does the parotid salivary gland sit between?

Answer 6

The skin and the masseter muscle

Question 7

What is the location of the superficial lobe of the parotid salivary gland?

Answer 7

subcutaneous, anterior to the external ear, between skin and masseter muscle

Question 8

What is the location of the deep lobe of the parotid gland?

Answer 8

Inferior to the external ear, posterior to ramus of the mandible

Question 9

How much of the total salivary volume is produced by the parotid salivary gland?

Answer 9

25%

Question 10

How long is the stenson’s duct?

Answer 10

about 5cm

Question 11

What is another name for the Stenson’s duct?

Answer 11

The parotid duct.

Question 12

Where is the Stenson’s duct located?

Answer 12

superficial to the masseter muscle, pierces the buccinator.

Question 13

Where does the Stenson’s duct open?

Answer 13

On the buccal mucosa usually opposite the maxillary second molar.

Question 14

What does the parotid papilla mark?

Answer 14

The opening of the Stenson’s duct

Question 15

What is the duct of the parotid salivary gland?

Answer 15

The Stenson’s duct

Question 16

What important anatomical structures does the parotid salivary gland enclose? (4)

Answer 16

• External Carotid Artery
• Retromandibular vein
• Facial nerve
• Auriculotemporal nerve

Question 17

What is the arterial supply to the parotid salivary gland?

Answer 17

ECA

Question 18

What is the venous drainage of the parotid salivary gland?

Answer 18

Retromandibular vein

Question 19

What is the secretomotor (sympathetic and parasympathetic) supply of the parotid salivary gland?

Answer 19

sympathetic- Superficial cervical ganglion
parasympathetic- Glossopharyngeal nerve

Question 20

What is the sensory innervation of the parotid salivary gland?

Answer 20

Auriculotemporal nerve

Question 21

What is the lymphatic drainage of the parotid salivary gland?

Answer 21

Deep parotid lymph nodes

Question 22

What are the two modes of extra-oral examination of the parotid salivary gland?

Answer 22

• Visual examination
• Palpation (bilateral)

Question 23

What about the parotid salivary gland is examined intra-orally?

Answer 23

• The parotid papilla

Question 24

Why do we need to examine the parotid salivary gland? (5)

Answer 24

• infection
• blockage
• lesion
• autoimmune diseases
• to make accurate clinical decisions

Question 25

What type of gland are salivary glands?

Answer 25

Exocrine glands (have duct)

Question 26

What type of saliva does the submandibular salivary gland produce?

Answer 26

Mixed saliva (serous/mucous)

Question 27

is the submandibular salivary gland encapsulated?

Answer 27

Yes- 2 lobes

Question 28

How much of the total salivary volume is produced by the submandibular salivary gland?

Answer 28

65%

Question 29

What is the anatomical location of the submandibular salivary gland?

Answer 29

posterior part of the floor of the mouth near the angle of the mandible- occupies the submandibular fossa

Question 30

Where does the superficial lobe of the submandibular salivary gland lie?

Answer 30

superficial to the mylohyoid muscle

Question 31

Where does the deep lobe of the submandibular salivary gland lie?

Answer 31

Wraps around the posterior border of the mylohyoid muscle

Question 32

What salivary does the Wharton's duct drain?

Answer 32

The submandibular salivary gland

Question 33

Which lobe does the Wharton's duct arise from?

Answer 33

The deep lobe

Question 34

Where does the Wharton's duct run?

Answer 34

forward above the mylohyoid muscle to reach the anterior floor of the mouth

Question 35

What is the orifice of the submandibular gland?

Answer 35

The sublingual caruncle

Question 36

Where is the sublingual caruncle located?

Answer 36

Beside the base of the lingual frenum

Question 37

What nerve loops under the Wharton's duct?

Answer 37

The lingual nerve

Question 38

What is the arterial supply to the submandibular salivary gland?

Answer 38

The facial artery

Question 39

What is the venous drainage of the submandibular salivary gland?

Answer 39

The facial vein

Question 40

What is the secretomotor nerve supply of the submandibular salivary gland? (paraasympathetic and sympathetic)

Answer 40

parasympathetic- facial N sympathetic- superficial cervical ganglion

Question 41

What is the sensory nerve supply of the submandibular salivary gland?

Answer 41

The lingual nerve

Question 42

What is the lymphatic drainage of the submandibular salivary gland?

Answer 42

The submandibular lymph nodes

Question 43

How is the submandibular salivary gland examined extraorally?

Answer 43

Bilateral palpation inferior and posterior to the body of the mandible when the patient lowers the head

Question 44

What is a condition associated with the submandibular and sublingual salivary glands?

Answer 44

Mealtime syndrome

Question 45

What type of saliva does the sublingual salivary gland produce?

Answer 45

mucous saliva

Question 46

Is the sublingual salivary gland encapsulated?

Answer 46

no- one lobe

Question 47

How much of the total salivary volume is produced by the sublingual salivary gland?

Answer 47

5-10%

Question 48

What is the anatomical location of the sublingual salivary gland?

Answer 48

Anterior part of the floor of the mouth between the mucous membrane and mylohyoid muscle - occupies sublingual fossa - superior to the mylohyoid muscle - medial to the body of the mandible

Question 49

What salivary gland is drained by the Bartholin's duct?

Answer 49

The sublingual salivary gland

Question 50

Where does the Bartholin's duct open?

Answer 50

The sublingual caruncle

Question 51

What are the Rivinus ducts?

Answer 51

A row of smaller ducts (8-20) opening into the mouth along the sublingual fold- under the tongue

Question 52

What is the arterial supply of the sublingual salivary gland?

Answer 52

The sublingual artery

Question 53

What is the venous return of the sublingual salivary gland?

Answer 53

The sublingual vein

Question 54

What is the secretomotor nerve supply of the sublingual salivary gland? (parasympathetic and sympathetic)

Answer 54

parasympathetic- facial N sympathetic- superficial cervical ganglion

Question 55

What is the sensory nerve supply of the sublingual salivary gland?

Answer 55

The lingual N

Question 56

What is the lymphatic drainage of the sublingual salivary gland?

Answer 56

Submandibular lymph nodes

Question 57

How is the sublingual salivary gland clinically examined?

Answer 57

Palpate on the floor of the mouth posterior to each mandibular canine- two fingers each intra and extra orally