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anatomy > ANS Wk3 > Flashcards

ANS Wk3 Flashcards

1
Q

Edinger westphal nucleus
CN III

A

Ciliary muscle (accommodation)
Pupillary sphincter muscle

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2
Q

Ciliary and pupillary muscle for your eyes is what cranial nuclei

A

Edinger westphal nucleus
CN III

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3
Q

Superior salivatory nucleus

A

CN VII
Lacrimal gland
Nasal mucosa
Submandibular glands
Sublingual glands

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4
Q

Lacrimal gland
Nasal mucosa
Submandibular glands
Sublingual glands

A

Superior salivatory nucleus
CN VII

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5
Q

Parotid gland

A

Inferior salivatory nucleus
CN IX

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5
Q

Inferior salivatory nucleus
CN IX

A

Parotid gland

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6
Q

Dorsal vagus nucleus
CNX

A

Thoracic and abdominal viscera

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7
Q

Thoracic and abdominal viscera

A

Dorsal vagus nucleus
CNX

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8
Q

Sympathetic pathways

A

skin, muscle, gut vasoconstriction; inhibition of secretion & motility and bladder inhibition

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9
Q

Enteric nervous system

A

Composed of intrinsic plexuses and ganglia of GI tract

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10
Q

Mid brain consists of

A

sensory, interneurons and motorneurons

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11
Q

Neurons, located in gut wall have 2

A

2 plexuses - myentric (motor actions) & messner’s plexus (secretory actions)

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12
Q

What are the functions of parasympathetic division - cranial

A

Functions
* secretion
* vasodilation
* pupillary constriction
* accommodation

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13
Q

Pelvic splanchic nerves

A

Arise from S2-S4
Parasympathetic innervation - hindgut derivatives

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14
Q

Sympathetic activity includes

A

skin vasoconstriction
muscle vasoconstriction
gut vasoconstriction
inhibition of gut secretion & motility
bladder inhibition

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15
Q

Preganglionic neuron cell bodies originate where?

A
  • lateral horns T1 – T12
  • lateral horns L1-L3
16
Q

What are the 3 types of sympathetic ganglia = Thoracolumbar?

A
  1. Sympathetic trunk ganglia (lie in a vertical row on either side of VC)
  2. Prevertebral (collateral) ganglia (lie anterior to VC and close to the large abdominal arteries)
  3. Adrenal medulla (modified neurons)
17
Q

Celiac ganglion innervates ___

A

Innervates foregut derivatives

18
Q

Superior mesenteric
ganglion innervates

A

Innervates midgut derivatives

19
Q

Inferior mesenteric ganglion innervates

A

Innervates hindgut derivatives

20
Q

Superior hypogastric plexus & Inferior hypogastric plexus both innervate

A

Innervates urogenital system

21
Q

Lumbar splanchnics are

A

Sympathetic

22
Q

Sacral splanchnics are

A

Parasympathetic

23
Q

Hypothalamus is

A

highest point of neuroaxis
with input to autonomic
nervous system
* regulates and coordinates
autonomic function

24
Q

Describe in broad terms the activity of the parasympathetic system

A

Constricts pupils (t), saliva/muscus prod (ph) , reduces cardiac rate (t), tightens airway (ph), stomach dig, urination and sexual activity (ph)

anatomy (50 decks)

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