Parotid, submandibular and sublingual glands

Question 1

what are the functions of the salivary glands

Answer 1

•Begin digestion of starches
•Keep mouth moist
•Lubricate food
•(helps) prevent tooth decay
•Controlling bacterial flora of
oral cavity

Question 2

what is serous saliva

Answer 2

amylase, lysozyme, protein secreting

Question 3

what is mucous saliva

Answer 3

contains sialomucins

Question 4

what is the largest salivary gland

Answer 4

parotid

Question 5

what is the parotid sheath

Answer 5

part of deep investing fascia of the neck

capsule that encloses the parotid gland

Question 6

where does the parotid gland enter the mouth

Answer 6

2nd upper molar

Question 7

what is the function of the fatty tissue around the parotid

Answer 7

allows flexibility around the mandible

Question 8

leaves via the internal acoustic meatus and exits via the stylomastoid foramen

Answer 8

facial nerve

Question 9

what two branches of the facial nerve are given off before it enters the parotid gland

Answer 9

posterior auricular and digastric

Question 10

what nerve can be damaged in removal of tumours in the parotid gland

Answer 10

facial

Question 11

what structures are found in the parotid gland

Answer 11

retromandibular vein

external carotid artery

facial nerve

parotid lymph nodes

Question 12

what is the secretomotor aka psymp innervation to the parotid gland

Answer 12

glossopharyngeal

and auriculotemporal branch of V3

Question 13

what is the sympathetic innervation to the parotid gland (causes vasocontriction and reduction in saliva)

Answer 13

superior cervical ganglia on the ECA

Question 14

what is the cutaneous innervation over the parotid gland

Answer 14

auriculotemporal (v3)

great auricular (c2 and 3)

Question 15

where are the submandibular glands

Answer 15

found along the mandible above and below mylohyoid muscle

the gland wraps around mylohyoid

Question 16

what nerve loops around the submandibular glands

Answer 16

lingual

Question 17

what are the relations of the submandibular gland

Answer 17

digastric muscle
facial artery
mylohyoid muscle
hypoglossal nerve

Question 18

where does the submandibular duct open into

Answer 18

base of the frenulum (sublingual papilla)

Question 19

what is the blood supply to the submandibular gland

Answer 19

submental arteries (branch of facial)

Question 20

what is the venous drainage of the submandibular gland

Answer 20

submental veins to lingual and facial veins

Question 21

what gland is mostly mucous secreting

Answer 21

sublingual

Question 22

where is the sublingual gland

Answer 22

floor of the mouth between the mandible and hyoglossus muscle, lateral to the submandibular duct and lingual nerve

sits in the sublingual fossa of the mandible, superior to the anterior part of the mylohyoid line

Question 23

what is the blood supply to the sublingual gland

Answer 23

same as submandibular - sublingual arteries and submental

submental veins to lingual and facial veins

Question 24

what are the relations of the sublingual gland

Answer 24

lingual nerve
submandibular duct
hypoglossal nerve

Question 25

what is the parasympathetic innervation of sublingual and submandibular glands

Answer 25

chorda tympani (cn 7) plus lingual nerve from v3

Question 26

what is the sympathetic innervation to the submand and subling glands

Answer 26

superior cervical ganglia on the eca

Question 27

where in the oral cavity can minor salivary glands be found

Answer 27

buccal palatine lingual labial

Question 28

what is the innervation of minor salivary glands

Answer 28

cn 7 and 5

Question 29

what is a mucocoeles

Answer 29

swelling due to blockage of the associated duct

Question 30

what is mumps

Answer 30

virus | painful swelling over the salivary glands (parotid usually)

Question 31

what is the treatment for mumps

Answer 31

supportive only may spread > meningitis

Question 32

what is sialolithiasis

Answer 32

salivary calculi found in ducts- pain, swelling, lack of salivation usually submandibular surgical resection

Question 33

what is ptyalism

Answer 33

excess salivation | often prior to vomiting

Question 34

what proportion of salivary gland tumours are benign

Answer 34

80%

Question 35

what is the most common salivary gland tumour

Answer 35

pleomorphic adenoma painless swelling numbness/ weakness resection or parotidectomy