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Head and Neck Anatomy BDS3 > Salivary Glands and Submandibular Region > Flashcards

Salivary Glands and Submandibular Region Flashcards

1
Q

what are the 3 major salivary glands

A

parotid, submandibular, sublingual

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2
Q

which gland wraps around the mylohyoid

A

submandibular

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3
Q

what does the lingual nerve loop around

A

submandibular duct

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4
Q

where are the submandibular glands found

A

along mandible

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5
Q

what does the submandibular gland secrete

A

mixed serous and mucous secretions

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6
Q

where does the submandibular duct begin

A

in gland between mylohyoid and hyoglossus

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7
Q

what covers the submandibular gland

A

a fascial capsule

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8
Q

which artery makes a groove in the submandibular gland

A

facial artery

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9
Q

where does the submandibular duct run

A

anteriorly from deep part of gland and opens either side of frenulum

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10
Q

what is the blood supply to the submandibular glands

A

via submental arteries (branch of facial artery)

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11
Q

what is the venous drainage of submandibular glands

A

submental veins (to lingual and facial veins)

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12
Q

what does the sublingual gland secrete

A

mostly mucous but some serous too

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13
Q

where does the sublingual gland lie

A

between mandible and hyoglossus
in sublingual fossa of mandible

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14
Q

where do the sublingual ducts drain

A

into crest of sublingual fold

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15
Q

what is the blood supply to the sublingual glands

A

via submental and sublingual arteries (branch of facial and lingual arteries)

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16
Q

what is the drainage of the sublingual glands

A

submental veins (to lingual and facial veins)

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17
Q

where do the preganglionic parasympathetic fibres travel to

A

submandibular ganglion from chorda tympani and via lingual nerve

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18
Q

where do the postganglionic parasympathetic fibres travel to

A

in the lingual nerve to the sublingual gland and submandibular gland

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19
Q

what does the sympathetic innervation in the mouth lead to

A

vasoconstriction and reduction in volume of saliva

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20
Q

what does parasympathetic innervation in the mouth lead to

A

secretion of saliva

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21
Q

what is the sympathetic innervation of the parotid gland

A

glossopharyngeal nerve through tympanic and lesser petrosal nerves
synapse in otic ganglion
run in auriculotemporal nerve

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22
Q

what is the sympathetic innervation of the submandibular and sublingual glands

A

from superior cervical ganglion and nerve plexus of ECA straight to the glands

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23
Q

what are the minor salivary glands

A

buccal, palatine, lingual, labial

24
Q

what are the minor salivary glands innervated by

A

CNVII AND CNV

25
Q

what are the minor salivary glands susceptible to

A

mucoceles

26
Q

what are the minor salivary glands susceptible to

A

mucoceles

27
Q

what is the parasympathetic innervation to minor salivary glands above the oral fissure

A

fibres synapse in pterygopalatine ganglion and travel to glands via palatine nerves

28
Q

what is the parasympathetic innervation to minor salivary glands below the oral fissure

A

fibres synapse in submandibular ganglion and then travel in lingual nerve to glands

29
Q

what is mumps

A

viral infection in children affecting parotid gland

30
Q

what cures mumps

A

mmr vaccine, supportive treatment

31
Q

if mumps spreads what does it cause

A

viral meningitis

32
Q

what are salivary stones/calculi signs

A

pain, swelling, lack of salivation

33
Q

where are salivary stones common

A

submandibular duct due to upward course

34
Q

what are salivary stones treated by

A

surgical removal

35
Q

what are the 3 pathologies of the salivary glands

A

mumps, salivary stones, excessive salivation

36
Q

what does the submandibular triangle contain

A

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

37
Q

what does the submental triangle contain

A

submental lymph nodes and some small veins

38
Q

what does the carotid triangle contain

A

carotid sheath, ECA, accessory and hypoglossal nerves, deep cervical lymph nodes

39
Q

what are the suprahyoids

A

mylohyoid, digastric, geniohyoid, stylohyoid

40
Q

what are the infrahyoids

A

sternohyoid, sternothyroid, omohyoid, thyrohyoid

41
Q

where does the mylohyoid attach

A

mylohyoid line and hyoid and fibres of opposite mylohyoid

42
Q

what is the action of the mylohyoid

A

elevate hyoid and floor of mouth

43
Q

what is the innervation of mylohyoid

A

nerve to mylohyoid

44
Q

where does the anterior digastric attach

A

digastric fossa and intermediate tendon

45
Q

what does the anterior digastric do

A

raise hyoid and open mouth

46
Q

what is the innervation of the anterior digastric

A

nerve to mylohyoid

47
Q

where does the posterior digastric attach

A

mastoid notch on mastoid process and intermediate tendon

48
Q

what is the action of the posterior digastric

A

elevate and retract hyoid

49
Q

what is the innervation of posterior digastric

A

digastric branch of CNVII

50
Q

where does the stylohyoid attach

A

styloid process and hyoid bone

51
Q

what does the stylohyoid do

A

pulls hyoid bone up

52
Q

what innervates the stylohyoid

A

facial nerve

53
Q

where does the geniohyoid attach

A

mandible (mental spines) and body of hyoid

54
Q

what is the action of the geniohyoid

A

elevates and pulls hyoid forward/pulls mandible downward and inward

55
Q

what is the innervation of the geniohyoid

A

anterior ramus of c1

56
Q

what are the branches of the ECA

A

superior thyroid, ascending pharyngeal, occipital, lingual, facial, posterior auricular, superficial temporal, maxillary

Head and Neck Anatomy BDS3 (25 decks)

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