Salivary Glands and Submandibular Region

Question 1

where do the submandibular and sublingual glands sit

Answer 1

in the smooth bits of bone on the mandible called fossae

Question 2

where does the submandibular duct originate

Answer 2

between the mylohyoid and hyoglossus muscles

Question 3

what nerve loops around the submandibular duct

Answer 3

lingual nerve (CN V3)

Question 3

what nerve loops around the submandibular duct

Answer 3

lingual nerve (CN V3)

Question 3

what nerve loops around the submandibular duct

Answer 3

lingual nerve (CN V3)

Question 3

what nerve loops around the submandibular duct

Answer 3

lingual nerve (CN V3)

Question 4

how many orifices does the submandibular duct open into the oral cavity

Answer 4

three beside the frenulum

Question 5

what is the position of the submandibular gland in relation to the mylohyoid muscle

Answer 5

sits partly above (deep) and below (superficial) connected at the posterior free end of the mylohyoid muscle

Question 6

where is the deep part of the submandibular gland located

Answer 6

lateral to the root of the tongue on the floor of the oral cavity

Question 7

what is the fibrous capsule of the submandibular gland continuous with

Answer 7

deep investing fascia

Question 8

what is the blood supply to the submandibular gland

Answer 8

submental arteries via the facial artery

Question 9

what is the venous drainage of the submandibular gland

Answer 9

submental veins (drain into facial and lingual veins)

Question 10

where is the sublingual gland situated

Answer 10

between the mandible and hyoglossus muscle

Question 11

what secretions does the sublingual gland produce

Answer 11

mucous

Question 12

does the sublingual gland have a fibrous capsule

Answer 12

no

Question 13

what is the blood supply to the sublingual gland

Answer 13

submental and sublingual arteries (via facial and lingual arteries)

Question 14

what is the venous drainage of the sublingual gland

Answer 14

submental veins (into lingual and facial veins)

Question 15

what are the preganaglionic fibres of the secretomotor innervation of the submandibular and sublingual glands

Answer 15

the chorda tympani (CN VII) or lingual nerve (CN V3)

Question 16

what ganglion is associated with secretomotor innervation of the submandibular and sublingual glands

Answer 16

submandibular ganglion

Question 17

what are the postganglionic fibres that give secretomotor innervation to the submandibular and sublingual glands

Answer 17

the lingual nerve (CN V£) or sometimes they dont travel in a nerve

Question 18

describe the secretomotor innervation of parotid gland

Answer 18

glossopharyngeal nerve via lesser petrosal and tympanic nerves > otic ganglion > auriculotemporal nerve

Question 19

what is the innervation of minor salivary glands above the oral fissure

Answer 19

greater petrosal nerve > pterygopalatine ganglion > palatine nerve

Question 20

what is the innervation of minor salivary glands below the oral fissure

Answer 20

chorda tympani/ lingual nerve > submandibular ganglion > lingual nerve

Question 21

what are minor salivary glands susceptible to

Answer 21

mucoceles - swelling due to blockage of associated ducts

Question 22

what is a viral infection that causes painful swelling of the salivary glands

Answer 22

mumps

Question 23

what could be the diagnosis for a lack of salivation, pain and swelling

Answer 23

salivary calculi

Question 24

when does excess salivation occur

Answer 24

prior to vomiting

Question 25

what are the main contents of the submandibular triangle

Answer 25

submandibular gland, lymoh nodes, parts of hypoglossal nerve, mylohyoid nerve and parts of the facial artery and vein and digastric

Question 26

what are the main contents of the submandibular triangle

Answer 26

submandibular gland, lymph nodes, parts of hypoglossal nerve, mylohyoid nerve and parts of the facial artery and vein and digastric

Question 27

what are the main contents of the submental triangle

Answer 27

submental lymph nodes and some small veins

Question 28

what are the contents of the carotid triangle

Answer 28

carotid sheath, external carotid and some branches, parts of accessory and hypoglossal nerves, deep cervical lymph nodes