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Gross Anatomy I > Autonomic Nervous System > Flashcards

Autonomic Nervous System Flashcards

1
Q

What is the functional definion of the Autonomic Nervous System (ANS).

A

Controls involuntary visceral activity in order to maintain homeostasis or respond to stress.

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2
Q

What is the anatomy definion of the Autonomic Nervous System (ANS).

A

General Visceral Efferent (GVE) system

ie. the 2-neuron pathway from the VNS to visceral organs

Above + General Visceral Afferents (GVA)

Both of the above + those components of the CNS that regulate visceral activity (ie. those components that send signals to and/or receive signals from the GVE and GVA systems.)

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3
Q

The General Visceral Efferent (GVE) system is divided physiologically and anatomically into 2 components:

A

Sympathetic

Fight or flight
Thoracolumbar (T1 - L4/5)

Parasympathetic

Homeostasis (Rest and Digest)
Craniosacral (Cranial/Sacrum)

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4
Q

The General Visceral Efferent (GVE) sympathetic component is responsible for:

A

Fight or Flight

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5
Q

The General Visceral Efferent (GVE) sympathetic component is located:

A

Thoracolumbar T1 - L4/5

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6
Q

The General Visceral Efferent (GVE) Parasympathetic component is located:

A

Craniosacral

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7
Q

The General Visceral Efferent (GVE) Parasympathetic component is responsible for:

A

Homeostasis (Rest and Digest)

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8
Q

What is a collection on cell bodies located outside the CNS?

A

Ganglion

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9
Q

What are the two components of a 2 neuron pathway of the General Visceral Efferent (GVE) system.

A

Preganglionic

Post ganglionic

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10
Q

The General Visceral Efferent (GVE) intervates:

A

Smooth Muscles

Cardiac Muscles

Glands

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11
Q

Which General Visceral Efferent (GVE) is number 1:

A

Sympathetic

General Visceral Efferent (GVE)

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12
Q

Which General Visceral Efferent (GVE) is number 2:

A

Parasympathetic

General Visceral Efferent (GVE)

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13
Q

Where does the Sympathetic Nervous System occur?

A

T1 - L4/5

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14
Q

What is the Preganglionic Pathway in the Sympathetic Nervous system (Body Wall & Limbs)?

A

Preganglionic Pathway:

Lateral gray horn (of T1-L5) –> Ventral root –> spinal nerve –> ramus communicans –> sympathetic trunk –>

First part of the pathway is ALWAYS the same!

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15
Q

What is the Ganglion in the Sympathetic Nervous system (Body Wall & Limbs)?

A

Ganglion:

sympathetic trunk ganglia –>

(*Potentially different)

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16
Q

Sympathetic Nervous system, what is number 1?

A

Post Ganglionic

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17
Q

Sympathetic Nervous system, what is number 2?

A

Sympathetic Trunk

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18
Q

Sympathetic Nervous system, what is number 3?

A

Ramus Communicans

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19
Q

Sympathetic Nervous system, what is number 4?

A

Pre-Ganglionic

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20
Q

Sympathetic Nervous system, what is number 5?

A

Ventral Root

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21
Q

Sympathetic Nervous system, what is number 6?

A

Spinal Nerve

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22
Q

What is the nerve that is predominately depicted in this image?

A

Sympathetic Trunk

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23
Q

What is number 1?

A

Ventral branch of the spinal nerve

(mixed nerve)

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24
Q

What is number 2?

A

Dorsal branch of the spinal nerve

(mixed nerve)

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25
What is number 3?
Branching off the spinal nerve is the: Communicating branch (ramus communicans)
26
What is number 4&5?
Sympathetic trunk ganglion (sympathetic trunk is not drawn) [paravertebral ganglion]
27
What is the red arrow?
Somatic Afferents
28
What is the blue arrow?
Somatic Efferents
29
What is the Green arrow?
Autonomic Afferents
30
What is the light purple arrow?
Pre-Ganglionic sympathetic Efferents
31
What is the dark purple arrow?
Post-Ganglionic sympathetic Efferents
32
What is the Postganglionic Pathway in the Sympathetic Nervous system (Body Wall & Limbs)?
rami communicants to spinal nerves --\> dorsal or ventral branches of spinal nerves
33
What is the Preganglionic??? Pathway in the Sympathetic Nervous system (Head)?
lateral gray horn (of ~ T1 - T3) --\> ventral root --\> spinal nerve --\> ramus communicans --\> sympathetic trunk --\> ansa subclavia --\> certical sympathetic trunk (vagosympathetic trunk) --\>
34
What is the Ganglion in the Sympathetic Nervous system (Head)?
cranial cervical ganglion --\>
35
What is the Postganglionic Pathway in the Sympathetic Nervous system (Head)?
internal and external carotid nerve plexuses (nerves follow blood supply to the head)
36
What is the Preganglionic Pathway in the Sympathetic Nervous system (Neck)?
lateral gray horn (of ~T3-T5) --\> ventral root --\> spinal nerve --\> ramus communicans --\> sympathetic trunk --\>
37
What is the Ganglion in the Sympathetic Nervous system (Neck)?
cerviocthoracic ganglion --\>
38
What is the Postganglionic Pathway in the Sympathetic Nervous system (Neck)?
vertebral nerve --\> rami communicantes to cervical spinal nerves --\> dorsal or ventral branches of cervical spinal nerves
39
What is the Preganglionic Pathway in the Sympathetic Nervous system (Thorax)?
lateral gray horn (of ~T5-T8) --\> ventral root --\> spinal nerve --\> ramus communicans --\> sympathetic trunk -- [ansa subclavia] --\>
40
What is the Glanglion in the Sympathetic Nervous system (Thorax)?
cervicothoracic ganglion [or middle cervical ganglion] --\>
41
What is the Postganglionic Pathway in the Sympathetic Nervous system (Thorax)?
branches from the ansa subclavia [or branches corsing with vagus nerve]
42
What is number 1?
cranial cervical ganglion
43
What is number 2?
vagosympathetic trunk
44
What is number 3?
vertebral n.
45
What is number 4?
middle cervical ganglion
46
What is number 5?
cervicothoracic ganglion
47
What is number 6?
rami communicantes
48
What is number 7?
vagus n.
49
What is number 8?
ansa subclavia
50
What is number 1?
middle cervical ganglion
51
What is number 2?
ansa subclavia
52
What is number 3?
cervicothoracic ganglion
53
What is number 4?
vagosympathetic trunk
54
What is number 5?
sympathetic trunk
55
What is the Preganglionic Pathway in the Sympathetic Nervous system (Abdominal Cavity)?
lateral gray horn (of ~T7-L2) --\> central root --\> spinal nerve --\> ramus communicans --\> sympathetic trunk --\> major, minor, or lumbar splanchnic nerves
56
What is the Glanglion in the Sympathetic Nervous system (Abdominal Cavity)?
prevetrebral ganglia within plexus (celiacomesenteric ganglion, caudal mesenteric ganglion, others) --\>
57
What is the Postganglionic Pathway in the Sympathetic Nervous system (Abdominal Cavity)?
nerve plexuses on abdominal vessels (nerves follow blood supply to abdominal viscera)
58
What is number 1?
rami communicantes
59
What is number 2?
major and minor splanchnic nerves
60
What is number 3?
diaphragm
61
What is number 4?
celiacomesenteric ganglion & plexus
62
What is number 5?
lumbar splanchnic nn.
63
What is number 6?
caudal mesenteric ganglion
64
What is number 1?
Sympathetic trunk
65
What is number 2?
celiacomesenteric ganglion & plexus
66
What is number 3?
major splanchnic nn
67
What is number 4?
minor splanchnic nn
68
What is the Preganglionic Pathway in the Sympathetic Nervous system (Pelvic Cavity)?
lateral gray horn (of lumbar cord segments) --\> ventral root --\> spinal nerve --\> ramus communicans --\> sympathetic trunk --\> lumbar splanchnic nerves
69
What is the Ganglion in the Sympathetic Nervous system (Pelvic Cavity)?
caudal mesenteric ganclion --\>
70
What is the Postganglionic Pathway in the Sympathetic Nervous system (Pelvic Cavity)?
left/right hypogastric nerves --\> pelvic plexus --\> [branches which follow blood vessels to pelvic viscera]
71
What is number 1?
lumbar splanchnic nn.
72
What is number 2?
caudal mesenteric ganglion
73
What is number 3?
hypogastric nerve
74
What is number 4?
pelvic plexus
75
What is number 1?
aorta
76
What is number 2?
caudal mesenteric ganglion
77
What is number 3?
hypogastric n.
78
What is CN X and what does it innervate?
Vagus n. Thoracic and abdominal viscera
79
What are the main components for the Parasympathetic Nervous System?
CN 111 CN V11 CN IX CN X Sacral spinal cord
80
What does the sacral spinal cord innervate?
Pelvic viscera
81
What is the Preganglionic Pathway in the Parasympathetic Nervous System (CN X: Vagus Nerve) [Thorax (Cervical Revion)]?
parasympathetic nucleus of vagus nerve --\> vagus nerve --\> vagosympathetic trunk --\> vagus nerve --\> vagal branches to hear, lungs, etc (cardica nerves) [recurrent laryngeal nerves]
82
What is the Ganglion in the Parasympathetic Nervous System (CN X: Vagus Nerve) [Thorax (Cervical Revion)]?
terminal ganglia (within organs innervated) --\>
83
What is the Postganglionic Pathway in the Parasympathetic Nervous System (CN X: Vagus Nerve) [Thorax (Cervical Revion)]?
within organ
84
What is the Preganglionic Pathway in the Parasympathetic Nervous System (CN X: Vagus Nerve) [Abdomen]?
parasympathetic nucleus of vagus nerve --\> vagus nerve --\> vagosympathetic trunk --\> vagus nerve --\> dorsal & ventral branches --\> dorsal & ventral vegal trunks --\> dorsal vagal trunk joins celiacomesenteric pelxus via veliac branch, ventral vagal trunk goes directly to stomach and liver
85
What is the Ganglion in the Parasympathetic Nervous System (CN X: Vagus Nerve) [Abdomen]?
terminal ganlia (within organs innervated) --\>
86
What is the Postganglionic Pathway in the Parasympathetic Nervous System (CN X: Vagus Nerve) [Abdomen]?
within organ
87
What is number 1?
left vagosympathetic nerve trunk
88
What is number 2?
left vagus nerve
89
What is number 3?
cardiac nn.
90
What is number 4?
recurrent laryngeal n.
91
What is number 5?
ventral vagal nerve trunk | (to liver and stomach)
92
What is number 6?
dorsal vagal nerve trunk
93
What is number 7?
dorsal vagal nerve trunk | (to celiacomesenteric nerve plexus)
94
What is number 8?
celiac plexus
95
What is number 9?
cranial mesenteric plexus
96
What is number 1?
Vagosympathetic trunk
97
What is number 2?
Vagus n.
98
What is number 3?
ventral vagal nerve trunk
99
What is number 4?
dorsal vagal nerve trunk
100
What is number 1?
celiacomesenteric ganglia
101
What is number 1?
right vagosympathetic nerve trunk
102
What is number 2?
right vagus nerve
103
What is the gray line wrapping around the aorta?
recurrent laryngeal n.
104
What is number 3?
ventral vagal nerve trunk | (to liver & stomach)
105
What is number 4?
dorsal vagal nerve trunk
106
What is number 5?
dorsal vagal nerve trunk | (to celiacomesenteric nerve plexus)
107
What is number 6?
celiac plexus
108
What is number 7?
cranial mesenteric plexus
109
What is the Preganglionic Pathway in the Parasympathetic Nervous System (Sacral Spinal Cord S1-S3)?
intermediate gray matter (of S1-S3) --\> ventral root --\> spinal nerve --\> ventral branch --\> lumbosacral plexus --\> pelvic nerve --\> pelvic plexus --\>
110
What is the Ganglion in the Parasympathetic Nervous System (Sacral Spinal Cord S1-S3)?
pelvic ganglia within pelvic plexus --\>
111
What is the Postganglionic Pathway in the Parasympathetic Nervous System (Sacral Spinal Cord S1-S3)?
branches from pelvic plexus to pelvic visera
112
What is number 1?
ventral root
113
What is number 2?
spinal nerve
114
What is number 3?
lumbosacral plexus
115
What is number 4?
pelvic nerve
116
What is number 5?
pelvic plexus
117
What is number 6?
hypogastric nerve
118
What is number 1?
pelvic visceral
119
What is number 2?
hypogastric nerve
120
What is number 3?
pelvic plexus

Gross Anatomy I (18 decks)

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