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Z Anatomy Exam 2 > ANS Parasympathetic > Flashcards

ANS Parasympathetic Flashcards

1
Q

Responsibilities of parasympathetic

A

Responsible for control of involuntary or visceral bodily functions

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2
Q

Effects of parasympathetic

A

Cardiovascular = decrease
Respiratory = decrease
Digestive = increase
Urinary = increase
Reproductive functions = increase

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3
Q

Parasympathetic nucleus brain stem

A

Cranial nerves

Long pre ganglionic neuron
Short post ganglionic neuron

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4
Q

Parasympathetic nucleus sacral segments

A

Spinal cord start

Long pre ganglionic neuron
Short post ganglionic neuron

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5
Q

Motor nucleus of brain stem largest nerve

A

Vagus nerve

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6
Q

Parasympathetic pre ganglionic pathways

A
  • CN III, VII, IX (covered with the head)
  • CN X (Vegas nerve) thoracic and abdominal viscera
  • sacral spinal cord (pelvic viscera)
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7
Q

CN X Vagus Nerve

A

Thorax and abdomen start at nucleus of vagus nerve have terminal ganglia within organs innervates and their post ganglionic pathway is within organ

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8
Q

Go over slides 13 and 14 with Vegas nerves

A
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9
Q

Right Vegas nerve

A

Trachea

Right vagus nerve
Dorsal and ventral vagus branch
Dorsal vagus trunk

Diaphragm

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10
Q

Describe the vagus nerve orientation in thoracic cavity

A

Trachea

Left recurrent laryngeal nerve right against trachea inside of right vagus nerve

Left and right vagus nerve flanking trachea to cranial esophagus

Right recurrent laryngeal nerve right against trachea inside of the left vagus nerve

Dorsal vagus branch flanking esophagus

Ventral vagus branch flanking esophagus

Diaphragm

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11
Q

Sacral spinal cord pre ganglionic pathway

A

Gray matter, ventral root, spinal nerve, ventral branch , lumbosacral plexus, pelvic nerve and then pelvic plexus

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12
Q

Sacral spinal cord post ganglionic pathway

A

Branches from pelvic plexus to pelvic organs

Ganglion within pelvic plexus

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13
Q

Autonomic reflexes

A

Sensory input = peripheral or visceral receptor afferent neuron

Central connection = in the enchephalon or spinal cord interneuron

Output = pre and post ganglionic neuron

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14
Q

Vagus nerve preganglionic pathway abdomen

A

Parasympathetic nucleus of vagus nerve, vagus nerve, vagosympathetic trunk, vagus nerve, dorsal and ventral agar branches, dorsal and ventral vagus trunks, dorsal fatal trunk joints celiaconesenteric plexus via Celiac branch, ventral vagus trunk goes directly to stomach and liver

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15
Q

Vegas nerve pre ganglionic pathway thorax

A

Parasympathetic nucleus of Vegas nerve, vagus nerve, vagosympathetic trunk, vagus nerve, vagaries branches to heart lungs etc

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Z Anatomy Exam 2 (14 decks)

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