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SALIVA > Salivation Glands > Flashcards

Salivation Glands Flashcards

1
Q

What gland can be examined extra orally?

A

sub mandibular and Parotid

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2
Q

Which glands have Single discrete ducts?

A

submandibular and Parotid

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3
Q

What ducts does the sublingual have?

A

ducts along sublingual folds underneath tongue

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4
Q

What do sublingual ducts do?

A

Merge into single duct then join submandibular duct

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5
Q

What is secretomotor innervation?

A

motor innervation that stimulates salivation

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6
Q

What nerves provide motor innervation that stimulate salivation?

A

Facial CN7 and glossopharyngeal CN 9

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7
Q

What are the secretomotor fibres in CN7 and CN9?

A

autonomic nerves - parasymp. nervous system

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8
Q

What is the biggest salivary gland?

A

Parotid gland

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9
Q

Where is single parotid duct?

A

Run anterior over masseter to medially pierce Buccinator

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10
Q

Where does parotid duct open into?

A

vestibule- opposite crown of second Upper Molar

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11
Q

How is Parotid secretomotor innervation?

A

GLOSSOPHARYNGEAL CN IX

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12
Q

What is secretomotor nerve pathway for parotid?

A

tympanic branch via ear cavity> plexus> lesser petrosal nerve to cranial cavity> otic ganglion> Auriculotemporal nerve > parotid

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13
Q

What is a branch of Glossopharyngeal nerve?

A

Tympanic branch

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14
Q

Where is submandibular gland?

A

inferior margin of mandible and posterior border of mylohoid muscle

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15
Q

Where are submandibular ducts located?

A

Sublingual Papillae

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16
Q

What is parasymp. innervation of submandibular gland?

A

Facial nerve CN 7

17
Q

where do sublingual ducts open into?

A

floor of mouth along w/ sublingual fold

18
Q

What is secretomotor nerve pathway for submandibular/lingual gland ?

A

chorda tympani> join lingual nerve> submandibular ganglion> glands

19
Q

What is a branch of facial nerve CN7?

A

Chorda tympani

Greater petrosal

20
Q

what happens in post ganglionic fibres in sublingual gland?

A

fibers reach the sublingual gland after they re-enter the lingual nerve first

21
Q

what happens when tongue is raised?

A

sublingual folds raised- submandibular duct open on papilla

22
Q

What is secretomotor nerve pathway for Palatine gland?

A

CN7> Greater petrosol nerve branch> cranial cavity > pterygoid canal> pterygoid fossa> pterygopalatine fossa>pterygopalatine ganglion> hard/soft palates

23
Q

what is a minor salivary gland?

A

Palatine gland

SALIVA (7 decks)

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