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Anatomy > Salivary Glands > Flashcards

Salivary Glands Flashcards

1
Q

Where is the parotid gland

A 
Parotid region 
Superiorly - zygomatic arch 
Inferiorly - info border mandible 
Posteriorly - external ear and scm 
Bilaterally
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2
Q

What is the rough structure of the parotid gland

A

Lobular
Irregular
Superficial and deep

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3
Q

What kind of saliva does the parotid gland produce

A

Serous saliva

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4
Q

How does the parotid gland secretion reach the mouth

A

Via parotid duct which enters the mouth at upper 2nd molar

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5
Q

What are the three anatomical relationships the parotid gland has

A

Facial nerve
Eca
Retromandibular nerve

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6
Q

What does the facial nerve do in the parotid gland

A

CN 7

Between the superficial and deep fascia in a lame where it divides to its 5 terminal branches

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7
Q

What a re the 5 terminal branches of the facial nerve

A 
Zygomatic 
Temporal
Buccal
Mandibular
Cervical
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8
Q

What makes up the retromandibular Vein

A

The superficial temporal vein and the the maxillary vein

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9
Q

What supplies the parotid gland arterial supply and drains it

A

Arterial supply - posterior auricular and superficial temporal arteries
Drained by retromandibular vein

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10
Q

What si the innervation of the parotid gland

A

Sensory - auriculotemporal nerve v3
Autonomic - Glossopharyngeal at otic ganglion (+) auriculotemporal
Symp - sup cervical ganglion

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11
Q

Where is the sublingual gland found

A

The floor of the mouth

Sublingual fossa

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12
Q

Where does the sublingual secretion drain from in the mouth

A

Sublingual papillae

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13
Q

What si the sublingual gland supplied by in terms of blood

A

Sublingual and submental arteries from Lingual and facial artery
Corresponding veins drain

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14
Q

What si the innervation of the sublingual gland

A

Similar to submandibular gland

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15
Q

What kind of secretion from the sublingual gland

A

Mucous

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16
Q

What kind of secretion form the submandibular gland

A

Mixed

17
Q

Where is the submandibular gland found

A

In the submandibular triangle
Superiorly - inf body of mandible,
Anteriorly - abd
Posteriorly - PBD

18
Q

Where does the submandibular secretion come from in the mouth

A

Form the submandibular duct which terminates I sublingual papilla

19
Q

What is the arterial supply of the submandibular gland

A

Submental arteries and corresponding veins for draining

20
Q

What si the innervation of the submandibular gland

A

Parasymp - sup salivary nucleus through chorda tympani and lingual which gives secretomotor
Symp - duo cervical ganglion

21
Q

How does the saliva get modified by salivary ducts

A

Sodium and chloride taken out of secretion whilst pottasium is pumped in

22
Q

What are some function of saliva

A 
Protection of teeth 
Integrity of teeth 
Buffer
Initial digestion carbs 
Lubrication 
Taste 
Antibacterial
23
Q

What are some components of saliva

A 
Organic and inorganic 
Mucins 
Hi statins
IgA 
Amylase
Bicrabondat 
Pottasium 
Calcium 
Phosphate
24
Q

What are salivary glands made up of

A

Sec acini

25
Q

What are the types of secretions

A

Mucous
Serous
Mixed

26
Q

In mixed acini what is shown

A

Serous demilune

27
Q

What doe the secretory units converge to form

A

Intercalated duct simple low cuboidal epi with myoepthelial cells

28
Q

What comes after the intercalated ducts

A

Striated ducts where makes hypotonic solution then lead to excretory ducts

29
Q

Do mucous acini stain darker or lighter than serous

A

Lighter than serous

30
Q

What are the three major salivary glands

A

Parotid
Submandibular
Sublingual

Anatomy (44 decks)

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