Salivary Glands

Question 1

Define the term salivary gland

Answer 1

Any cell or organ that discharges a secretion into the oral cavity

Question 2

Name the major and minor salivary glands

Answer 2

Major: Parotid, Submandibular and Sublingual
Minor: Those that are on the tongue, palatine tonsils, palate, lips and cheek

Question 3

Which gland is the largest

Answer 3

Parotid gland

Question 4

What is the average weight of the parotid gland

Answer 4

25g

Question 5

The parotid gland is enclosed in a thick fibrous capsule that is derived from?

Answer 5

Investing layer of the deep cervical fascia

Question 6

Eagles Syndrome?

Answer 6

Eagle’s syndrome is a condition associated with the elongation of the styloid process or calcification of the stylohyoid ligament, clinically characterized by throat and neck pain, radiating into the ear.

Question 7

Name the 4 surfaces of the Parotid gland

Answer 7

Superior (Base of pyramid)
Superficial
Anteromedial
Posteromedial

Question 8

What are the 3 borders that separate the 4 surfaces of the parotid gland

Answer 8

Anterior
Posterior
Medial

Question 9

Which nerve is close to the superior surface of the parotid gland

Answer 9

Auriculotemporal nerve

Question 10

Which nerves run through the superficial fascia that covers the superficial surface of the parotid gland

Answer 10

Great auricular nerve and superficial parotid nerve

Question 11

What are the relations of the anterior-medial surface of the parotid gland

Answer 11

Masseter
Lateral surface of TMJ
Medial pterygoid muscle
Branches of the facial nerve

Question 12

Name the structures within the parotid gland

Answer 12

External carotid artery and its branches
Retromandibular vein
Facial nerve
Terminal branches of the ECA - that is the superficial temporal and the maxillary artery

Question 13

How long is the stenson duct

Answer 13

5cm

Question 14

Where does the stenson duct open

Answer 14

Into the vestibule of the mouth opposite the second upper molar tooth

Question 15

What is the blood supply of the parotid gland

Answer 15

Branches of the External Carotid artery

Question 16

The venous drainage of the parotid gland is into the

Answer 16

External Jugular Vein

Question 17

What is the parasympathetic nerve supply of the parotid gland

Answer 17

Secretomotor via auriculotemporal nerve

Question 18

Where is the superficial part of the submandibular gland situated

Answer 18

Digastric triangle and wedged between the body of the mandible and the mylohyoid muscle

Question 19

What are the 3 surfaces of the submandibular gland

Answer 19

Inferior, medial and lateral

Question 20

Which 2 nerves does Whartons duct run between

Answer 20

Lingual and Hypoglossal nerves

Question 21

What crosses the submandibular duct at the anterior border of the hyoglossus

Answer 21

Lingual nerve

Question 22

What is the blood supply of the submandibular gland

Answer 22

External Carotid

Question 23

Nerve supply of the submandibular gland

Answer 23

Parasympathetic fibres from Chorda Tympani
Sensory fibers- lingual branch of mandibular nerve
Sympathetic fibres- Plexus of the facial artery

Question 24

Nerve supply of the sublingual gland

Answer 24

Chorda tympani; parasympathetic innervation

Question 25

Blood supply of sublingual gland

Answer 25

Sublingual and submental arteries

Question 26

Which surface of the parotid gland does the external carotid artery enter through

Answer 26

Posterior medial surface

Question 27

What are the relations of the superior surface of the parotid gland

Answer 27

Cartilagenous part of the external external acoustic meatous Post part of the temporomandibular joint auriculotemporal nerve Superficial temporal vessel

Question 28

Relations of the apex of the parotid gland

Answer 28

Post surface of the digastric muscles Adjoining part of the carotid triangle

Question 29

Relations of the superficial surface of the parotid gland

Answer 29

Skin Superficial fascia Branches of the great auricular nerve Superficial parotid artery Post fibres of the Platysma

Question 30

Relations of the anterior medial surface

Answer 30

Masseter Lateral surface of temporomandibular joint Medial pterygoid Branches of the facial nerve

Question 31

Relations to the posteromedial surface

Answer 31

Mastoid process with the sternocleidomastoid and post belly of the digastric Styloid process with structures attached to it External carotid artery, which enters the parotid gland through this surface Internal carotid artery which is deep to the styloid process

Question 32

Which structures emerge from the anterior border of the parotid gland

Answer 32

Parotid duct Terminal branches of the facial nerve Facial vessels

Question 33

Name the branches that the facial nerve splits into after passing through the parotid gland

Answer 33

5 branches: Superficial temporal branch Zygomatic branch Buccal Branch- Superior and Inferior Marginal Mandibular Cervical