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CAPS 391 - Gross Human Anatomy > Nervous System - Visceral Nervous System > Flashcards

Nervous System - Visceral Nervous System Flashcards

1
Q

Location and Pathway of Sympathetic nerves that target the Head, Neck, and Upper Limb?

A

Locations
- Lateral Horn of T1
Pathway
- Ascend in the sympathetic chain to the cervical ganglia

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2
Q

Location and Pathway of the Sympathetic nerves that innervate the heart, lungs, and diaphragm?

A

Location
- Lateral Horn of T1-T4 spinal segment
Pathway
- Travel to the thoracic region of the sympathetic chain to innervate thoracic organs

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3
Q

What are the Splanchnic Nerves?

A
  • Greater
  • Lesser
  • Least
  • Lumbar
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4
Q

What are Splanchnic Nerves?

A
  • Pre-ganglionic fibers that synapse onto pre-vertebral ganglia
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5
Q

Location and Pathway of the Sympathetic Nerves that innervate the Abdominal and Pelvic viscera?

A 
Location
- Lateral Horn of T5 - L2 segments
Pathway
- Bypass the Sympathetic Chain
- form the splanchnic nerves
- Goes to pre-vertebral ganglia
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6
Q

Location and Pathway of the Sympathetic nerves that go to the Lower Limbs?

A

Location
- Lateral Horn of the L2 Segment
Pathway
- Descend to lower paravertebral Ganglia (lower lumbar and upper sacral region)

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7
Q

What is Visceral Ganglia?

A
  • Ganglia associated with parasympathetic fibers
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8
Q

Where are the Pre-ganglionic cell bodies of the parasympathetic nerves located?

A
  • Brainstem

- Lateral Horn of Spinal Segments S2-S4

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9
Q

What is the name of the parasympathetic ganglion accossiated with Cranial Nerve III?

A
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10
Q

What is the name of the parasympathetic ganglion associated with Cranial Nerve III? What does it do?

A

CN III: Oculomotor Nerve
- Ciliary Ganglion: innervates ciliary muscles and sphincter pupil (iris)
Function
- Constrict the pupil

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11
Q

What is the name of the Parasympathetic Ganglion that innervates the Sublingual and Submandibular Glands? What Cranial Nerve is it associated with?

A

Ganglion
- Submandibular Ganglion
Cranial Nerve
- CN VII: Facial Nerve

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12
Q

What does the Pterygopalatine Ganglion Innervate? What Cranial Nerve is it associated with?

A

Innervate
- Lacrimal Gland
Cranial Nerve
- CN VII: Facial Nerve

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13
Q

What Ganglion and Cranial Nerve is associated in the Parasympathetic Innervation of the Parotid Gland?

A

Ganglion
- Otic Ganglion
Cranial Nerve
- CN IX: Glossopharyngeal Nerve

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14
Q

Where is the Ganglia located that is associated with Cranial Nerve X? Function?

A

CN X: Vagus Nerve

  • Location: Visceral Ganglia located close to or within the walls of the target organ
  • Function: Innervates the Thoracic and most abdominal Viscera (cut off at 1/3rd of transverse colon)
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15
Q

What does spinal segment S2-S4 parasympathetically innervate? what are they distributed by?

A 
Innervate
- Distal GI Tract
- Pelvic Viscera 
Distributed
- By the Pelvic Splanchnic Nerves
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16
Q

What are the Functions of the Visceral Sensory Neurons?

A

Collect Information About

  • Stretch
  • Chemical Stimulation
  • Hypoxia from viscera
17
Q

Where are the Cell Bodies of the Visceral Sensory Neurons Located?

A
  • Dorsal Root Ganglion (DRG)

- Sensory Ganglia of CN VII, IX, & X

18
Q

What is the Pathway of the Visceral Sensory Neurons in the DRG?

A

DRG (dorsal root ganglion)

  • From: DRG neurons
  • To: Dorsal Horn
  • Travel: Along the Spinothalamic Tract
19
Q

What is the Pathway of the Visceral Sensory Neurons of the Sensory Nuclei of the CN?

A

Cranial Nerves

  • From: Sensory Nuclei of the Cranial Nerves
  • To: Thalamus
20
Q

What are Visceral Plexuses made by?

A
  • Sensory, Sympathetic, and Parasympathetic Fibers
21
Q

What are the 3 Plexuses in the Thoracic Region?

A
  • Cardiac Plexus
  • Pulmonary Plexus
  • Esophageal Plexus
22
Q

What contributes to the Cardiac Plexus?

A
  • Parasympathetic: CN X: Vagus Nerve

- Sympathetic: T1-T4

23
Q

What Contributes to the Pulmonary Plexus?

A
  • Parasympathetic: CN X: Vagus Nerve

- Sympathetic: T1-T4

24
Q

What Contributes to the Esophageal Plexus?

A
  • Parasympathetic: CN X: Vagus Nerve

- Sympathetic: T1-T4

25
Q

What Three Plexuses have the same contributions from the parasympathetic and Sympathetic Nervous systems? What are those contributions?

A 
Thoracic Plexuses
- Cardiac Plexus
- Pulmonary Plexus
- Esophageal Plexus
Contributions
- Parasympathetic: CN X: Vagus Nerve
- Sympathetic: T1-T4
26
Q

What are the 4 Abdominal Plexuses? What are they named after?

A 
Plexus
- Celiac Plexus
- Superior Mesenteric Plexus
- Inferior Mesenteric Plexus
- Hypogastric Plexus
Naming
- After the Artery they travel with
27
Q

What does the Celiac Plexus surround? what are the parasympathetic and sympathetic contributions?

A 
Surrounds
- Celiac Artery
Contributions
- Parasympathetic: CN X: Vagus Nerve
- Sympathetic: T5-L2
28
Q

What does the Celiac Plexus Innervate? (4)

A
  • Stomach
  • Pancreas
  • Spleen
  • Liver
29
Q

What plexus has an overlap between the parasympathetic nerves from the Vagus Nerve and the S2-S4 Spinal Segment?

A
  • Superior Mesenteric Plexus
30
Q

What does the Superior Mesenteric Plexus Surround?

A
  • The superior mesenteric artery
31
Q

What are the Parasympathetic and sympathetic contributions to the Superior Mesenteric Plexus?

A
  • Parasympathetic: CN X: Vagus Nerve & S2-S4 (overlap)

- Sympathetic: T5-L2

32
Q

What does the Superior Mesenteric Plexus Innervate?

A
  • Most of small intestine and half of the large intestine
33
Q

What does the Inferior Mesenteric Plexus Surround?

A
  • Inferior Mesenteric Artery
34
Q

What are the parasympathetic and sympathetic contributions to the Inferior Mesenteric Plexus?

A
  • Parasympathetic: S2-S4

- Sympathetic: T5-L2

35
Q

What does the Inferior Mesenteric Plexus innervate?

A
  • The distal half of the large intestine
36
Q

What are the Parasympathetic and sympathetic contributions to the Hypogastric Plexus?

A
  • Parasympathetic: S2-S4

- Sympathetic: T5-L2

37
Q

Where does the Hypogastric Plexus Supply nerves?

A
  • The Pelvic Viscera

CAPS 391 - Gross Human Anatomy (33 decks)

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