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Gross Anatomy 2 > Final Exam: Spinal Cord > Flashcards

Final Exam: Spinal Cord Flashcards

1
Q

The major pathway of communication b/t the brain and periphery

A

Spinal cord

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2
Q

What are the 3 functions of the Spinal cord?

A
  1. Relay somatic sensory input and somatic motor output
  2. Relay visceral sensory input and visceral motor output
  3. reflexive control of somatic and visceral tissues
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3
Q

Signs of Atrophy of m. and lack of reflex could be cause by damage to the ______, not the SC.

A

Neuromuscular junction

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4
Q

What is the space running dorsal to the spinal cord cord?

A

Dorsal median sulcus

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5
Q

What is the space ventral to the spinal cord called

A

ventral median fissure

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6
Q

What are the 3 br. of the spinal n.?

A
  1. ventral Br.
  2. Dorsal Br.
  3. meningeal br.
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7
Q

Where does the first pair of cervical spinal nerves emerge?

A

lateral vertebral foramina of the atlas

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8
Q

After the first pair, the remaining CSNs emerge cranial/caudal to their corresponding cervical vertbrae

A

Cranial

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9
Q

Where would CSN 8 emerge?

A

caudal to C7

Cranial to C8

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10
Q

Which br. of the Sc has the ramus communicans?

A

ventral

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11
Q

The thoracic spinal nerves and lumbar spinal nerves will emerge cranial/caudal to their corresponding vertebrae

A

Caudal

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12
Q

The first two sacral spinal nerves emerghe through the _______.

A

sacral foramina

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13
Q

Where does the third sacral spinal nerve in the dog emerge?

A

b/t the sacrum and first caudal vert/

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14
Q

Terminal tapering of the SC

A

conus medullaris

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15
Q

Where should you aim your needle when doing an epidural?

A

caudal to the conus medullaris to avoid SC

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16
Q

Lumbosacral Stenosis causing impingement on the cauda equine in this area

A

Cauda equina syndrome

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17
Q

What are the 2 subdivisions of spinal cord grey matter>

A
  1. afferent region

2. efferent regions

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18
Q

What are the 2 parts of the afferent region of the SC gray matter?

A
  1. somatic afferent

2. Visceral afferent

19
Q

What are the 2 parts of the efferent region of the SC grey matter?

A
  1. visceral efferent

2. somatic efferent

20
Q

regions of white matter within the SC are referenced as

A

funiculi

21
Q

What are the 3 funiculi?

A
  1. dorsal
  2. lateral
  3. ventral
22
Q

What are the 2 tracts of the dorsal funiculus?

A
  1. fasciculus gracilis

2. fasiciculus cuneatus

23
Q

Tracts that transport sensory info. from SC to brain

A

Ascending tracts

24
Q

Tracts that transport commands from brain to SC

A

Descending tracts

25
Q

How do you name ascending spinal tracts?

A

spino- as prefix

26
Q

How do you name descending Tracts?

A

-spinal as suffix

27
Q

Which tracts are generally located in the ventral and lateral funiculi?

A

descending tracts

28
Q

Which tracts are generally located in the dorsal and lateral funiculi?

A

ascending tracts

29
Q

point for point correspondence of a specific body part to a specific region of the CNS

A

Somatotopy

30
Q

The ability to sense stimuli in relation to position, motion, and equilibrium

A

Proprioception

31
Q

What are the 6 general regions of the SC

A
  1. Cranial cervical
  2. Cervicothoracic
  3. thoracolumbar
  4. Lumbosacral
  5. Sacral
  6. Caudal
32
Q

Region of SC that innervates axial m. and skin of Cranial cervical region

A

Cranial cervical region

33
Q

Region of SC that supplies Brachial plexus

A

Cervicothroacic region

34
Q

Region of Sc innervates thoracic limb m. and skin

A

Cervicothoracic

35
Q

region of SC that gives sympathetic innervation to the head/eye

A

cervicothoracic

36
Q

Region of SC that innervates regional m. and sking

A

Thoracolumbar

37
Q

Region of SC that contains preganglionic sympathetic neurons

A

Thoracolumbar

38
Q

Region of SC where lumbar intumescence occurs

A

lumbosacral

39
Q

Region of SC that contains lumbosacral plexus

A

lumbosacral

40
Q

Region of SC that supplies bladder and perineum

A

Lumbosacral

41
Q

Region of SC that innervates the perineum and external anal sphincter

A

Sacral region

42
Q

Region of Sc that is PSNS innervation to viscera of pelvis and bladder

A

Sacral region

43
Q

Axons from __ to __ contribute to sciatic n.

A

S1-S2

44
Q

Region of SC that innervates m and skin of the tail

A

caudal region

Gross Anatomy 2 (27 decks)

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