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Neuroscience > Neuroscience Week 5: Autonomic Nervous System: Parasympathetic Functional Anatomy > Flashcards

Neuroscience Week 5: Autonomic Nervous System: Parasympathetic Functional Anatomy Flashcards

1
Q

Organ systems parasympathetic response

A
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2
Q

Oculomotor parasympathetic actions & associated ganglia

A
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3
Q

autonomic regulation of pupil diameter

A
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4
Q

Circular fibers of the eye

A
  • parasympathetic control
  • smooth muscle
  • constricts iris
  • sphincter pupillae
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5
Q

Radial Fibers of eye

A
  • sympathetic control
  • dilator pupillae
  • smooth muscle
  • dilates iris
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6
Q

Parasympathetics of Facial nerve

A
  • lacrimal gland tear production
  • submandiubular salivary gland
  • sublingual salivary secretion

Through the pterygopalatine ganglion and submandibular ganglion

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7
Q

Parasympathetics of glossopharyngeal nerve and associated ganglia

A
  • otic ganglion
  • Parotid gland
  • glands of the posterior tongue
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8
Q

Parasympathetic ganglion of facial nerve

2 listed

A

Pterygopalatine ganglion

and

submandibular ganglion

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9
Q

Parasympathetic ganglion of glossopharyngeal nerve

A

Otic ganglion

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10
Q

Parasympathetic ganglion of Vagus nerve

5 listed target tissues

A

to stomach

to heart

to intestines

to lungs

to liver

*SHILL*

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11
Q

Basic functional structure of parasympathetics

A
  • cranio-sacral origins
  • long preganglionics
  • very short postganglionics
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12
Q

Sacral parasympathetic innervation origin and targets

A
  • comes out of cauda equina
  • Left colic flexure of large intestines
  • Bladder
  • Penis
  • Clitoris
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13
Q

Question 1

A

C

Difficulty with completely voiding during a trip to the bathroom

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14
Q

Sacral parasympathetic innervation outflow

A
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15
Q

The left colic flexure separates what?

A

cranial parasympathetic innervation from sacral splanchnic innervation

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16
Q

vagal stimulation of the heart

A
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17
Q

Otto Loewi’s Experiment

A
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18
Q

neurotransmitters of parasympathetic post ganglionics

A
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19
Q

Acetylcholine in parasympathetics

A
20
Q

Parasympathetic nervous system

A
21
Q

How do muscarinic ACh receptors transduce their signal?

A

work through second messengers

22
Q

Muscarinic Receptor subtypes

A
  • M1
  • M2
  • M3
  • M4
  • M5
23
Q

Phospholipase C system

A

gets calcium to increase inside cells

24
Q

Acetylcholine Receptors Slow-sustained type

A

Muscarinic metabotropic

25
Q

Acetylcholine receptor fast short-lived type

A

Nicotinic ionotropic

26
Q

M3 receptors function and location

A

Smooth muscle

27
Q

M2 Receptor

A
  • Gi coupled
  • inhibits adenylate cyclase
  • cardiac inhibition
28
Q

Parasympathetic receptor on the bladder

A

M3

on the fundus and external sphincter

29
Q

Muscarinic Receptor subtypes overview

A
30
Q

M1 Second Messenger

A
  • Stimulation of Phospholipase C
31
Q

M1 Targets

A
  • CNS
  • Enteric Nervous System
32
Q

M1 Effects

A
  • Undefined
  • Gastric Acid Secretion
33
Q

M2 Second Messenger

A
  • Inhibition of Adenylate Cyclase
  • Activation of K+ channels
34
Q

M2 Targets

A

Heart

35
Q

M2 Effects

A

Inhibition

36
Q

M3 Second Messenger

A
  • Stimulation of Phospholipase C
37
Q

M3 Targets

A
  • Smooth muscle
  • Secretory Glands
38
Q

M3 Effects

A
  • Contraction
  • Secretion
39
Q

M4 Second Messenger

A

Inhibition of Adenylate Cyclase

40
Q

M4 targets

A

?

41
Q

M4 Effects

A

?

42
Q

M5 Second Messenger

A

Stimulation of Phospholipase C

43
Q

M5 Targets

A

CNS

44
Q

M5 Effects

A

Undefined

45
Q

Parasympathetic summary

A
46
Q

Parasympathetic preganglionic origins

which nerves?

A
  • Craniosacral origins
  • Cranial nerves VII, III, IX and X
  • Cauda equina sacral origins
  • S2-S4

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