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4 salivary biology > saliva biology > Flashcards

saliva biology Flashcards

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1
Q

what are the constitutes of saliva

A

water
electrolytes
organic components

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2
Q

when an acing cell is activated what mineral is pushed into secretion via conc gradient

A

K+

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3
Q

what is activated when K+ is pushed into secretion when an acing cell is active

A

Na+ K+ Cl- Co transporter

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4
Q

what does activation of Na+ K+ Cl- Co transporter result in

A

increase in Na+

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5
Q

when is there more Na+ in saliva

A

when flow rate is higher

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6
Q

when is there more HCO3- in saliva

A

when flow rate is higher

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7
Q

what cell secretes most of the organic components

A

acinar cells

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8
Q

what is sympathetic control

A

fight or flight
coorindates bodys réponse to stress

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9
Q

what is parasympathetic control

A

rest and digest
coordinates the body basic homeostatic function

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10
Q

what is a ganglion

A

a collection of nerve bodies in the periphery

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11
Q

what are the 2 types of neuron found in a peripheral chain

A

pre and post ganglion

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12
Q

what is the effect of parasympathetic control

A

increased secretion
vasodilation

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13
Q

what is the effect of sympathetic control

A

increased secretion
vasoconstriction

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14
Q

what glands does the glossopharyngeal nerve carry parasympathetic axons to

A

lingual and parotid

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15
Q

what glands does the facial nerve carry parasympathetic axons to

A

sublingual, submandibular and palatal

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16
Q

where do parasympathetics to the lingual gland synapse

A

remaks

17
Q

where do parasympathetics to the parotid gland synapse

A

otic

18
Q

where do parasympathetics to the sublingual gland synapse

A

submandibular

19
Q

where do parasympathetics to the submandibular gland synapse

A

submandibular

20
Q

where do parasympathetics to the palatal gland synapse

A

pterygopalatine

21
Q

what is the post ganglionic transmitter in parasympathetic control

A

ACh, acetylcholine

22
Q

what is the ganglionic transmitter in sympathetic control

A

ACh, acetylcholine

23
Q

does sympathetic control have a long or short pre and post ganglionic axon

A

short preganglionic
long postganglionic

24
Q

what is the target tissue for sympathetic control in salivary control

A

noradrenaline

25
Q

what is the cell sympathetic control effects to stimulate saliva secretion

A

myoepithelial

26
Q

what is the predominant saliva gland secreting at rest

A

submandibular

27
Q

what is the predominant saliva gland secreting when stimulated

A

parotid

28
Q

during the masicatory saliva reflex what is stimulating a response

A

mechanoreceptors
PDL and oral mucosa

29
Q

does a olfactory submandibular reflex exist in humans

A

Yes, see ipsilateral secretion using odour

4 salivary biology (2 decks)

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