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Veterinary Anatomy Final Topics > THRC.9 > Flashcards

THRC.9 Flashcards

1
Q

Neurons of the sympathetic system

A

Preganglionic neurons

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2
Q

After entering the sympathetic trunk, give the fate of the preganglionic neurons

A
  • Synapse with the local ganglion
  • Run cranially/caudally to a vertebral ganglion
  • Splanchnic nerves
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3
Q

Give the divisions of truncus sympaticus

A
  • Cephalic part
  • Cervical part
  • Thoracic part
  • Abdominal part
  • Sacral part
  • Coccygeal part
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4
Q

Which system is the sympathetic system part of?

A

Autonomic nervous system

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5
Q

In the spinal cord: Sympathetic neurons communicate with peripheral sympathetic neurons via…

A

Sympathetic ganglia

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6
Q

Give examples of sympathetic effects

A
  • Pupil dilation
  • Increased heart rate
  • Increased blood pressure
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7
Q

Preganglionic neurons span which region of the spinal cord?

A

Th1 - L3

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8
Q
A

Cranial cervical ganglion

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9
Q
A

Cervical part of the sympathetic trunk

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10
Q
A

Stellate/cervicothoracic ganglion

  • Medial to R1
  • Marks the end of the cervical sympathetic trunk
  • Fusion of caudal cervical and cranial thoracic ganglia
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11
Q
A

Middle cervical ganglion

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12
Q
A

Cervical cardiac nerve

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13
Q
A

Sympathetic trunk

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14
Q
A

Vertebral nerve

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15
Q
A

Greater splanchnic nerve

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16
Q
A
  • Solar plexus
    • Celiac ganglion
    • Cranial mesenteric ganglion
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17
Q
A

Lesser splanchnic nerve

18
Q
A

Lumbar splanchnic nerves

19
Q
A

Caudal mesenteric ganglion

20
Q
A

Sacral splanchnic nerves

21
Q
A

Hypogastric nerve

22
Q
A

Pelvic ganglia

23
Q

What is shown?

A

Sacral + coccygeal part of sympathetic trunk (Cat)

24
Q
A

Last lumbar vertebral ganglion

25
Q
A

Vertebral ganglion

on level with S1

26
Q
A

Right sympathetic trunk

27
Q
A

Coccygeal ganglion (fused)

28
Q
A

Sympathetic trunk

29
Q
A

Middle cervical ganglion

30
Q
A

Vertebral nerve

31
Q

1

A

Cranial cervical ganglion

32
Q

2

A

Stellate/cervicothoracic ganglion

33
Q

3

A

Ansa subclavia

  • Between middle cervical and stellate ganglion
34
Q

At what point does the sympathetic trunk separate from the vagus nerve?

A

At the atlas

  • Terminating into the cranial cervical ganglion
35
Q

Function of cranial cervical ganglion

A

Sympathetic innervation for the head

36
Q

Path of the internal carotid nerve

A

Cranial cervical ganglion → Innervates blood vessels in the cranium

  • Travels through the for. lacerum
37
Q

Branches of the stellate ganglion

A
  • Communicating branches
  • Vertebral nerve
  • Cervical cardiac nerves
  • Perivascular branches
  • Thoracic part of sympathetic trunk
38
Q

The splanchnic nerves connect…

A

The prevertebral ganglia

39
Q

Hypogastric nerves pass from the

A

Caudal mesenteric ganglion

40
Q
A

Cranial cervical ganglion

Veterinary Anatomy Final Topics (127 decks)

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