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102 > salivary glands > Flashcards

salivary glands Flashcards

1
Q

How many pairs of salivary glands are there and what are they?

A

3
parotid
submandibular
sublingual

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2
Q

What type of saliva does the parotid salivary gland produce?

A

Serous saliva

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3
Q

Which is the largest salivary gland?

A

Parotid

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4
Q

is the parotid salivary gland encapsulated?

A

yes- 2 lobes

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5
Q

What is the location of the parotid salivary gland?

A

Extends from the zygomatic arch to the angle of the mandible anterior to the ear.

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6
Q

What does the parotid salivary gland sit between?

A

The skin and the masseter muscle

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7
Q

What is the location of the superficial lobe of the parotid salivary gland?

A

subcutaneous, anterior to the external ear, between skin and masseter muscle

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8
Q

What is the location of the deep lobe of the parotid gland?

A

Inferior to the external ear, posterior to ramus of the mandible

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9
Q

How much of the total salivary volume is produced by the parotid salivary gland?

A

25%

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10
Q

How long is the stenson’s duct?

A

about 5cm

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11
Q

What is another name for the Stenson’s duct?

A

The parotid duct.

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12
Q

Where is the Stenson’s duct located?

A

superficial to the masseter muscle, pierces the buccinator.

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13
Q

Where does the Stenson’s duct open?

A

On the buccal mucosa usually opposite the maxillary second molar.

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14
Q

What does the parotid papilla mark?

A

The opening of the Stenson’s duct

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15
Q

What is the duct of the parotid salivary gland?

A

The Stenson’s duct

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16
Q

What important anatomical structures does the parotid salivary gland enclose? (4)

A
  • External Carotid Artery
  • Retromandibular vein
  • Facial nerve
  • Auriculotemporal nerve
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17
Q

What is the arterial supply to the parotid salivary gland?

A

ECA

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18
Q

What is the venous drainage of the parotid salivary gland?

A

Retromandibular vein

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19
Q

What is the secretomotor (sympathetic and parasympathetic) supply of the parotid salivary gland?

A

sympathetic- Superficial cervical ganglion
parasympathetic- Glossopharyngeal nerve

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20
Q

What is the sensory innervation of the parotid salivary gland?

A

Auriculotemporal nerve

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21
Q

What is the lymphatic drainage of the parotid salivary gland?

A

Deep parotid lymph nodes

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22
Q

What are the two modes of extra-oral examination of the parotid salivary gland?

A
  • Visual examination
  • Palpation (bilateral)
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23
Q

What about the parotid salivary gland is examined intra-orally?

A
  • The parotid papilla
24
Q

Why do we need to examine the parotid salivary gland? (5)

A
  • infection
  • blockage
  • lesion
  • autoimmune diseases
  • to make accurate clinical decisions
25
Q

What type of gland are salivary glands?

A

Exocrine glands (have duct)

26
Q

What type of saliva does the submandibular salivary gland produce?

A

Mixed saliva (serous/mucous)

27
Q

is the submandibular salivary gland encapsulated?

A

Yes- 2 lobes

28
Q

How much of the total salivary volume is produced by the submandibular salivary gland?

A

65%

29
Q

What is the anatomical location of the submandibular salivary gland?

A

posterior part of the floor of the mouth near the angle of the mandible- occupies the submandibular fossa

30
Q

Where does the superficial lobe of the submandibular salivary gland lie?

A

superficial to the mylohyoid muscle

31
Q

Where does the deep lobe of the submandibular salivary gland lie?

A

Wraps around the posterior border of the mylohyoid muscle

32
Q

What salivary does the Wharton’s duct drain?

A

The submandibular salivary gland

33
Q

Which lobe does the Wharton’s duct arise from?

A

The deep lobe

34
Q

Where does the Wharton’s duct run?

A

forward above the mylohyoid muscle to reach the anterior floor of the mouth

35
Q

What is the orifice of the submandibular gland?

A

The sublingual caruncle

36
Q

Where is the sublingual caruncle located?

A

Beside the base of the lingual frenum

37
Q

What nerve loops under the Wharton’s duct?

A

The lingual nerve

38
Q

What is the arterial supply to the submandibular salivary gland?

A

The facial artery

39
Q

What is the venous drainage of the submandibular salivary gland?

A

The facial vein

40
Q

What is the secretomotor nerve supply of the submandibular salivary gland? (paraasympathetic and sympathetic)

A

parasympathetic- facial N
sympathetic- superficial cervical ganglion

41
Q

What is the sensory nerve supply of the submandibular salivary gland?

A

The lingual nerve

42
Q

What is the lymphatic drainage of the submandibular salivary gland?

A

The submandibular lymph nodes

43
Q

How is the submandibular salivary gland examined extraorally?

A

Bilateral palpation inferior and posterior to the body of the mandible when the patient lowers the head

44
Q

What is a condition associated with the submandibular and sublingual salivary glands?

A

Mealtime syndrome

45
Q

What type of saliva does the sublingual salivary gland produce?

A

mucous saliva

46
Q

Is the sublingual salivary gland encapsulated?

A

no- one lobe

47
Q

How much of the total salivary volume is produced by the sublingual salivary gland?

A

5-10%

48
Q

What is the anatomical location of the sublingual salivary gland?

A

Anterior part of the floor of the mouth between the mucous membrane and mylohyoid muscle

  • occupies sublingual fossa
  • superior to the mylohyoid muscle
  • medial to the body of the mandible
49
Q

What salivary gland is drained by the Bartholin’s duct?

A

The sublingual salivary gland

50
Q

Where does the Bartholin’s duct open?

A

The sublingual caruncle

51
Q

What are the Rivinus ducts?

A

A row of smaller ducts (8-20) opening into the mouth along the sublingual fold- under the tongue

52
Q

What is the arterial supply of the sublingual salivary gland?

A

The sublingual artery

53
Q

What is the venous return of the sublingual salivary gland?

A

The sublingual vein

54
Q

What is the secretomotor nerve supply of the sublingual salivary gland? (parasympathetic and sympathetic)

A

parasympathetic- facial N
sympathetic- superficial cervical ganglion

55
Q

What is the sensory nerve supply of the sublingual salivary gland?

A

The lingual N

56
Q

What is the lymphatic drainage of the sublingual salivary gland?

A

Submandibular lymph nodes

57
Q

How is the sublingual salivary gland clinically examined?

A

Palpate on the floor of the mouth posterior to each mandibular canine- two fingers each intra and extra orally

102 (19 decks)

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