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Final Day 1 > Spinal Cord > Flashcards

Spinal Cord Flashcards

1
Q

Dorsal horn

A

Sensory afferent

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2
Q

Interneurons

A

Within and between spinal cord segments

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3
Q

Ventral horn

A

Alpha and gamma motor neuron outputs efferent

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4
Q

Lateral horn

A

Sympathetic nervous system output

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5
Q

3 meninges layers

A

Dura mater
Pia mater
Arachnoid mater

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6
Q

Denticulate ligament

A

Attaches laterally midway between dorsal and ventral root

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7
Q

Terminal filament

A

Formed by a cord of meninges at the caudal end of the spinal cord

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8
Q

Epidural space

A

Between dura of spinal cord and periosteum of vertebrae
Connective tissue fat, blood vessels

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9
Q

Cauda equina

A

Bundle of nerve fibers after the spinal cord has terminated
Includes conus medullaris and spinal roots

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10
Q

Cauda equina syndrome

A

Compression of one of these nerves
Pain, atrophy of muscles, incontinence

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11
Q

Spinal nerves exit via

A

Intervertebral foramen

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12
Q

Name 1

A

Epidural space

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13
Q

Name 2

A

Pia mater

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14
Q

Name 3

A

Arachnoid

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15
Q

Name 4

A

Dura mater

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16
Q

Name 5

A

Dorsal root

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17
Q

Name 6

A

Denticulate ligament

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18
Q

Name 7

A

Spinal ganglion

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19
Q

Name 8

A

Ventral root

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20
Q

Dorsal median sulcus

A

Divides dorsal cord into right and left halves

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21
Q

Ventral median fissure

A

Divides ventral cord into right and left halves

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22
Q

Dorsalateral sulcus

A

Site of intersection of dorsal roots of peripheral nerves

23
Q

Ventrolateral sulcus

A

Site where efferent motor roots are leaving the cord

24
Q

White matter

A

Myelinated
Low capillary density
Contains FIBER TRACTS

25
Q

Grey matter

A

Butterfly shape
High number of cell bodies
Glia
Capillaries

26
Q

White matter
Fiber tracts or long tracts

A

Nerve fibers run together in bundles carrying related information

27
Q

Ascending fiber tracts

A

Information from periphery to brain

28
Q

Descending fiber tracts

A

Information from brain to periphery

29
Q

Group of fiber tracts run together within the same region of the cord

A

Funiculus

30
Q

Name 1

A

Dorsal median sulcus

31
Q

Name 2

A

Intermediate sulcus

32
Q

Name 3

A

Dorsolateral sulcus

33
Q

Name 4

A

Dorsal funiculus

34
Q

Name 5

A

Ventrolateral sulcus

35
Q

Name 6

A

Ventral median fissure

36
Q

Lateral funiculus

A

Between dorsolateral and Ventrolateral sulci
Mixed tracts both ascending and descending tracts located here

37
Q

Ventral funiculus

A

Located between Ventrolateral sulcus and ventral median fissure
Mostly descending tracts

38
Q

Hansens type I disk disease

A

Degenerate nucleus material extrudes into vertebral canal

39
Q

Hansens type II disk disease

A

Fibroid nucleus gradually protrudes

40
Q

Discospomdylitis

A

Inflammatory
Bacterial or fungal infection
German shepherds
Painful

41
Q

Degenerative myelopathy

A

Slow progressing degenerative disease
German shepherds
Diffuse degeneration of spinal cord myelin and axon in the white matter

42
Q

Equine motor neuron disease

A

Death of lower motor neurons whose cell bodies are in the brain stem and spinal cord

43
Q

C6 - C8
Nerve

A

Musculocutaneous n.

44
Q

C7-T1
Nerve

A

Radial

45
Q

C8- T1
Nerve

A

Ulnar

46
Q

L6- S1
Nerve

A

Sciatic

47
Q

L4-L6
Nerve

A

Femoral

48
Q

C8-T2
Nerve

A

Lateral thoracic nerve

49
Q

Musculocutaneous
Spinal cord segments

A

C6-C8

50
Q

Radial nerve
Spinal cord segments

A

C7-T1

51
Q

Ulnar nerve
Spinal cord segments

A

C8-T1

52
Q

Sciatic nerve
Spinal cord segments

A

L6-S1

53
Q

Femoral nerve
Spinal cord segments

A

L4-L6

54
Q

Lateral thoracic nerve
Spinal cord segments

A

C8-T2

Final Day 1 (16 decks)

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