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Anatomy - Sav > Autonomic Nervous System > Flashcards

Autonomic Nervous System Flashcards

1
Q

What does the autonomic nervous system divide into?

A

Sympathetic and Parasympathetic

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2
Q

What does the somatic nervous system divide into?

A

Sensory (afferent) & Motor (efferent)

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3
Q

What does the CNS develop from?

A

Neural tube

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4
Q

Where does the PNS develop from?

A

Develop from neural crest and CNS outgrowths

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5
Q

Receives information from and responds to external world

A

Somatic

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6
Q

Innervates structures that develop from somites

A

Somatic (Body)

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7
Q

Innervates organ systems & its elements

A

Visceral (Organs)

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8
Q

Detects and responds to information within body

A

Visceral (Organs)

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9
Q

What nervous system is excitatory?

A

Somatic

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10
Q

Stimulation of the axon/nerve results in the activation of a particular action

A

Somatic NS

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11
Q

Concerned with conscious sensation and response usually via striated muscle and contains parts of the CNS and PNS

A

Somatic NS

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12
Q

Provides sensory and motor innervation to all parts of the body except: viscera, smooth and cardiac muscle, & glands.

A

Somatic NS

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13
Q

Our autonomic NS and in generally concerned with sensations of our internal body and actions via smooth muscles and glands

A

Visceral NS

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14
Q

Provides efferent involuntary motor innervation to smooth muscle, the conducting system of the heart, and glands

A

Visceral NS

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15
Q

Provides afferent sensory innervation from the viscera (pain and autonomic reflexes)

A

Visceral NS

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16
Q

Can be excitatory of inhibitory when stimulated

A

ANS

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17
Q

Group of cell bodies in CNS

A

Nucleus

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18
Q

Group of cell bodies in PNS

A

Ganglion

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19
Q

Glia in CNS

A

Astrocyte
Oligodendroglia
Microglia

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20
Q

Glia in PNS

A

Schwann cell

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21
Q

Another name for schwann cell

A

Neurilemmal cell

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22
Q

Visceral portion of the NS which has sensory or afferent fibers

A

Autonomic NS

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23
Q

Monitors changes to the viscera. Arise from the neural crest

A

General Visceral Afferent

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24
Q

2 neuron chain

A

General Visceral efferent

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25
Q

What spinal levels are sympathetic?

A

T1-L2 (3)

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26
Q

Supply/innervate peripheral glands, smooth muscle and other viscera

A

Sympathetic

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27
Q

What is parasympathetic associated with?

A 
Cranial nerves (III, VII, IX, &X)
S2-S4
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28
Q

Supply and innervate peripheral viscera

A

Parasympathetic

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29
Q

Neurons in the walls of the alimentary canal controlling motility (contractions of the gut wall), exocrine and endocrine secretions, & blood flow thru the gastrointestinal tract, it also regulates immunological and inflammatory processes.

A

Enteric

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30
Q

What connections are between the enteric system and the CNS

A

Parasympathetic and sympathetic

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31
Q

Paravertebral sympathetic trunk

A

Sympathetic chain

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32
Q

Para-aortic ganglia, abdomen and pelvic

A

Pre-vertebral ganglia

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33
Q

Preganglionic cells of sympathetic

A

T1-L2 (thoracolumbar)

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34
Q

Postganglionic sympathetic

A
  • Sympathetic chain

- Prevertebral chain ganglia via splanchnic nn

35
Q

Pre ganglionic cells of parasympathetic

A

CNs
S2-S4
Craniosacral

36
Q

Postganglionic parasympathetic

A

4 cranial ganglia

Ganglia with organs

37
Q

Name the collateral ganglia pairs/ prevertebral ganglia

A
  • Celiac
  • Superior mesenteric
  • Aorticorenal
  • Inferior mesenteric
38
Q
  1. Ascend then synapse
  2. Synapse at level of exit
  3. Descend then synapse
  4. Pass through without synapsing
A

4 options once presynaptic fiber enters the chain

39
Q
  • Innervation of the head
  • Cervical cardiopulmonary splanchnic nerves
  • Spinal nerves to neck, upper trunk & upper limb
A

Ascend then synapse

40
Q
  • Thoracic cardiopulmonary splanchnic nerves

- Spinal nerves to middle trunk

A

Synapse at level of exit

41
Q

Spinal nerves to lower trunk & lower limb

A

Descend then synapse

42
Q

Innervation of abdominopelvic viscera

A

Pass through without synapsing

43
Q

Somatic innervation

A

Sacral plexus

44
Q

Sympathetic and parasympathetic innervation

A

Autonomic plexuses

45
Q

What fibers does the hypogastric plexus contain?

A

Sympathetic and parasympathetic

46
Q

What does the hypogastric plexus cover?

A

Birfucation of aorta and upper sacrum

47
Q

Where are sympathetic post ganglionic cell bodies found?

A
  • Sympathetic chain

- Collateral ganglia

48
Q

Example of collateral ganglia

A
  • Superior meseteric
  • Celiac
  • Inferior Mesenteric
  • Aoritcorenal
49
Q

Where are chromaffin cells found?

A

Adrenal medulla

50
Q

Modification of post synaptic sympathetic cell

A

Chromaffin cell

51
Q

Where are sympathetic preganglionic cell bodies found in what regon

A

Lateral horn or intermedial cell column

52
Q

How do prevertebral ganglia arrive?

A

Via splanchnic nerve

53
Q

Where are postganglioic cell body location?

A

Prevertebral plexus

54
Q

What joins to make spinal nerve?

A

Dorsal and ventral root

55
Q

What does spinal nerve divide into?

A

Dorsal and ventral ramus

56
Q

White ramus

A

Preganglionic sympathetic

57
Q

Grey ramus

A

Post ganglionic sympathetic

58
Q

What are the levels that sympathetics can synapse

A

C2-C8
T1-L2
L3-Co

59
Q

Pass through chain without synapsing

A

Splanchnic nerves

60
Q

Superior mesenteric

A

Midgut

61
Q

Inferior mesenteric

A

hindgut

62
Q

T5-T9, goes to celiac ganglion

A

T5-T9, goes to celiac ganglionGreater splanchnic nerve

63
Q

T10-11, goes to superior meseteric

A

Lesser Splanchnic nerve

64
Q

T12, goes to Aorticorenal

A

Least splanchnic nerve

65
Q

Where do lumbar splanchnics go?

A

IMA

66
Q

What do sacral splanchnic serve

A

Pelvic viscera

67
Q

What cranial nerves are associated with parasympathetic?

A

III, VII, IX, X

68
Q

Descends and addresses parasympathetics all the way to the proximal 2/3 of the transverse colon

A

Vagus

69
Q

Distal extent of parasympathetic innervation

A

proximal 2/3 of the transverse colon

70
Q

Come together to form the hypogastric plexus

A

Lumbar and sacral splanchnics

71
Q

Where does chain ganglia begin to move from lateral to medial?

A

Sacral promentories

72
Q

Where do sympathetic trunks join?

A

Ganglion impar

73
Q

Where is the prominent sacral splanchnic nerve which contributes directly to hypogastric plexus?

A

S2 & S3

74
Q

Where do pelvic splanchnic come from?

A

Ventral ramus

75
Q

Where does sacral splanchnic come from?

A

Sympathetic chain ganglion

76
Q

Nervous system that is apart of the intestinal tract

A

Enteric NS

77
Q

Large cells, prominent nuclei, surrounded by a number of schwann cells

A

Submucosa plexus

Meissner’s plexus

78
Q

How can you identify submucosa plexus?

A

Surrounded by dense irregular CT

79
Q

Plexus that is located between smooth muscle layers (Circular and longitudinal)

A

Myenteric Plexus (Auerbach’s plexus)

80
Q

What provides parasympathetic innervation to the hindgut?

A

Pelvic splanchnic (Superior hypogastric)

81
Q

Do sacral splanchnic come off of grey rami?

A

No, they come off directly

82
Q

Provides parasympathetic innervation to hindgut

A

Superior hypogastric

83
Q

Provides parasympathetic innervation to pelvic viscera

A

Inferior hypogastric

84
Q

Do kidneys get parasympathetic innervation?

A

No

Anatomy - Sav (10 decks)

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