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BDS3 ANATOMY > Salivary Glands and Submandibular Region > Flashcards

Salivary Glands and Submandibular Region Flashcards

1
Q

what are the three major salivary glands?

A
  • parotid
  • submandibular
  • sublingual
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2
Q

what nerve loops around the submandibular gland duct?

A

lingual nerve

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3
Q

what gland wraps around the mylohyoid muscle?

A

submandibular gland

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4
Q

what type of secretions does the submandibular gland supply?

A

Mixed serous & mucus secretions

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5
Q

what glands have a fascial capsule?

A

Parotid & submandibular

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6
Q

what is the arterial supply of the submandibular gland?

A

via submental arteries (branch of facial artery)

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7
Q

what is the smallest of the major salivary glands?

A

sublingual

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8
Q

what secretions are produced in the sublingual glands?

A

Mostly mucus secretions (some serous)

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9
Q

where is the sublingual gland located?

A

Sublingual fossa of mandible (between mandible & hyoglossus)

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10
Q

what are the sublingual & submandibular glands innervated by?

A

Preganglionic parasympathetic fibres travel to the submandibular ganglion from the chorda tympani via the lingual nerve

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11
Q

where can minor salivary glands be located?

A
  • buccal
  • palatal
  • lingual
  • labial
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12
Q

what are swellings due to blockage of minor salivary glands known as?

A

mucoceles

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13
Q

how are minor salivary glands innervated?

A

parasympathetic secretomotor innervation to produce saliva

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14
Q

explain the route of the parasympathetic fibres to innervate minor salivary glands on palate?

A

—> preganglionic parasympathetic fibres travel to pterygopalatine ganglion via greater petrosal nerve
—> postganglionic fibres travel to the palate via the palatine nerves

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15
Q

what is mumps?

A

viral infection that presents in children as painful swellings over the salivary glands

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16
Q

what salivary gland is most commonly affected in mumps?

A

parotid gland

17
Q

what is the function of suprahyoid muscles?

A

to elevate the hyoid (swallowing) and larynx (tone production)

18
Q

what is the origin and insertion of mylohyoid muscle?

A

originate = mylohyoid line on mandible
insertion = body of hyoid & fibres of opposite mylohyoid

19
Q

what are the actions of the mylohyoid?

A

elevates the hyoid & floor of mouth

20
Q

what are the origin and insertions of the anterior belly of the digastric muscle?

A

origin = digastric fossa on lower medial aspect of mandible
insertion = intermediate tendon at hyoid

21
Q

what are the origin and insertions of the anterior belly of the digastric muscle?

A

origin = mastoid notch
insertion = intermediate tendron at hyoid

BDS3 ANATOMY (26 decks)

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