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Head and Neck > Parotid gland > Flashcards

Parotid gland Flashcards

1
Q

Which gland is the largest salivary gland

A

Parotid gland

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2
Q

Situation of the parotid gland

A

It is situated below the external
acoustic meatus

behind the ramus of the mandible

and in front of the sternocleidomastoid.

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3
Q

The parotid gland is
enclosed within a fascial
sheath called

A

Parotid sheath

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4
Q

Parotid sheath is formed by

A

Investing layer of deep cervical fascia

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5
Q

Skin over parotid gland is supplied by

A

great auricular nerve

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6
Q

The parotid gland overlaps what muscle anteriorly

A

the masseter

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7
Q

What separates the parotid gland from the submandibular gland

A

Stylomandibular ligament

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8
Q

The parotid gland is
divided into

A

deep and
superficial lobes

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9
Q

What part is located
between the zygomatic
arch and the parotid duct

A

accessory parotid gland- it is separated from the gland

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10
Q

Parotid fascia or sheath is also called

A

parotid capsule

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11
Q

The investing layer of the deep cervical fascia splits into 2 parts, what are they

A

Parotid fascia- superficial to parotid gland

stylomandibular ligament- deep to parotid gland

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12
Q

Is the parotid gland a paired gland

A

Yes
It is situated on both sides of the face

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13
Q

Shape of the parotid gland

A

resembles a 3-sided pyramid or it is triangle in shape

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14
Q

The attachments of the
parotid fascia

A

anterior : zygomatic arch

Posterior: styloid process

Inferior: stylomandibular
ligament

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15
Q

Parotid gland has 4 surfaces, list them

A

a. Superior (base of the pyramid)
b. Superficial
c. Anteromedial
d. Posteromedial

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16
Q

The surfaces of the parotid gland are separated by 3 borders, list them

A

a. Anterior
b. Posterior
c. Medial

17
Q

Boundaries of parotid gland

A

superiorly: zygomatic
arch

inferiorly: base of the
mandible

anteriorly: masseter
muscle

Posteriorly: External ear,
sternocleidomastoid

18
Q

Structures passing through the parotid gland

A

Facial nerve- gives rise to 5 terminal branches

External carotid artery

Retromandibular vein

19
Q

Blood supply to parotid gland

A

Arterial supply- external carotid
artery and its branches; Posterior auricular
artery
Superficial temporal
artery

Venous drainage- Retromandibular vein

20
Q

Another name of parotid duct

A

Stensen duct

21
Q

Course of parotid duct

A

It arises from the anterior
surface of the parotid gland and runs across the anterior surface of the masseter muscle

22
Q

Parotid duct pierces what muscle

A

It pierces the buccinator
muscle

22
Q

The Stensen duct
transports what

A

the serous saliva produced by the parotid gland

22
Q

Stensen duct opens into

A

the mouth near the second upper molar tooth

23
Q

The external carotid artery
divides into two terminal
branches

A

maxillary artery

superficial temporal
artery

24
Q

Retromandibular vein is formed by the union of the

A

Superficial temporal vein

Maxillary vein

25
Q

ECA gives rise to

A

-It gives rise to the
posterior auricular artery

26
Q

NERVE SUPPLY OF THE
PAROTID GLAND

A

Sensory innervation
Autonomic innervation

27
Q

Sensory innervation of parotid gland

A

Auriculotemporal nerve
(branch of mandibular nerve)

Great auricular nerve

28
Q

Autonomic innervation of parotid gland

A

Parasympathetic innervation: Glossopharyngeal nerve via the auriculotemporal nerve

Sympathetic innervation-Superior cervical ganglion

29
Q

Lymphatic drainage of parotid gland

A

Superior deep cervical lymph nodes

30
Q

Clinical correlates

A

A parotid abscess may be caused by spread of
infection from the opening of parotid duct in the
mouth cavity

Parotidectomy is the removal of the parotid gland

Head and Neck (12 decks)

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