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Anatomy Physiology Semester 1 > Spinal Chord > Flashcards

Spinal Chord Flashcards

0
Q

Spinal chord is located

A

Medulla to L2

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1
Q

CSF comes from

A

Brain

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2
Q

Spinal chord length and width

A

16-18 in

3/4 in

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3
Q

Cervical enlargement is located

A

C4-t1

Upper limbs, nerves to arms)

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4
Q

Lumbar enlargement located

A

T9 -t12 nerves to legs

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5
Q

Spinal nerves are ___

A

Mixed efferent/afferent

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6
Q

Conus medullaris is located

A

L1- L2 tip of spinal chord

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7
Q

Cauda equina are

A

Spinal nerves that hang off the end of spinal chord.

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8
Q

Pia mater clings to spinal chord and hangs off like a string tied to the coccyx

A

Filum terminale

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9
Q

Ventral groove (wide)

A

Anterior median fissure

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10
Q

Dorsal, shallow

A

Posterior median sulcus

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11
Q

Contains somas, Neuroglia , some unmyelinated axons, dendrites of inter neurons/ efferent (horns)

A

Grey matter

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12
Q

Mostly myelinated axons (columns)

A

White matter

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13
Q

Crossbar of (h) contains central canal

A

Gray commodore

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14
Q

Arises from 4th ventricle

A

Central canal

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15
Q

Connects anterior white matter

A

Anterior white composure

16
Q

Grey horn
Somas of somatic, motor efferent neurons.
- voluntary muscle descriptions

A

Anterior (ventral) horns

17
Q

Grey horn

Somatic, autonomic sensory (afferent) somas. (All sensory info).

A

Posterior (dorsal) horns

18
Q

(T and L only) autonomic, motor efferent somas, involuntary muscle constructions!

A

Lateral horns

19
Q

White columns

A

Posterior dorsal white columns
Anterior ventral white columns
Lateral white columns

20
Q

Reflex, neuron link, afferent to efferent, neuron without brain involvement.

A

Inter neuron

21
Q

Roots

Somas of sensory (afferent) neuron (PNS) unipolar ganglia

A

Posterior dorsal root

22
Q

Roots

Motor(efferent) axon (CNS, multipolar)

A

Anterior ventral root

23
Q 
Spinal nerves
Cervical
Thoracic
Lumbar
Sacrum
Coccyx
A

8, 12, 5, 5, 1

24
Q

Destruction of ventral horn motor neurons

A

Poliomyelitis (polio)

25
Q

Inflammation of a nerve

A

Neuritis

26
Q

Progressive destruction of ventral motor horn neurons.

A

Amyotrophic lateral sclerosis (ASL)

27
Q

Herpes zoster virus retreats to posterior root ganglia uses fast axonal transport to cause blisters)

A

Shingles

28
Q

Areas of skin that have senses

A

Dematome

Anatomy Physiology Semester 1 (8 decks)

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