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MOA > U12 - Nervous System > Flashcards

U12 - Nervous System Flashcards

1
Q

afferent nerves

A

nerves that transmit impulses toward the central nervous system

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2
Q

astrocyte

A

star-shaped cell found in the central nervous system

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3
Q

aura

A

a sensation that may precede a migraine or epileptic seizure

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4
Q

axon

A

the part of a neuron that transmits electrical impulses away from the cell body

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5
Q

blood-brain barrier

A

a protective mechanism that prevents toxic substances from entering the brain

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6
Q

bradykinesia

A

abnormally slow movement

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7
Q

cauda equina

A

a bundle of spinal nerves that emerge from the first lumbar vertebrae

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8
Q

cephalalgia

A

head pain

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9
Q

cerebellum

A

part of the brain responsible for coordinating voluntary muscular movement

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10
Q

cerebral angiography

A

the process of recording the cerebrovascular system

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11
Q

cerebral cortex

A

a layer of nerve tissue that covers the cerebrum

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12
Q

cerebrospinal fluid

A

the fluid that flows through the brain and around the spinal cord

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13
Q

cerebrovascular accident

A

death of a portion of brain tissue due to a decrease of blood flow to the area

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14
Q

cerebrum

A

the largest and uppermost part of the brain

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15
Q

concussion

A

damage to the brain caused by violent jarring or shaking

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16
Q

dementia

A

a group of symptoms affecting memory, thinking, and social abilities

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17
Q

demyelination

A

destruction of the myelin sheath covering a nerve fibre

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18
Q

dendrite

A

the part of a neuron that transmits electrical impulses toward the cell body

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19
Q

diencephalon

A

the part of the brain that is located between the cerebrum and the midbrain

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20
Q

dura mater

A

the outermost membrane covering the brain and spinal cord

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21
Q

efferent nerves

A

nerves that transmit impulses away from the central nervous system

22
Q

electroencephalography

A

the process of recording the electrical activity of the brain

23
Q

epidural

A

over the dura mater

24
Q

epilepsy

A

excessive, irregular electrical activity of the central nervous system

25
Q

gyrus

A

a fold on the surface of the cerebrum

26
Q

hemiplegia

A

paralysis of one side of the body

27
Q

hydrocephalus

A

accumulation of cerebrospinal fluid in the brain

28
Q

hypothalamus

A

portion of the brain located below the thalamus

29
Q

longitudinal fissure

A

a large groove that divides the brain into left and right hemispheres

30
Q

medulla oblongata

A

one of the three parts of the brainstem

31
Q

meninges

A

three membranes that surround the brain and spinal cord

32
Q

midbrain

A

the uppermost part of the brainstem

33
Q

myelin sheath

A

a fatty covering arround the axon of some neurons

34
Q

neuralgia

A

nerve pain

35
Q

neurectomy

A

surgical removal of a nerve

36
Q

neuritis

A

inflammation of a nerve

37
Q

neuroglia

A

the supportive cells of the central nervous system

38
Q

neurologist

A

one who specializes in treating disorders of the nervous system

39
Q

neuron

A

a nerve cell that conducts impulses

40
Q

neurotransmitter

A

a chemical that inhibits or activates impulses between nerve cells

41
Q

oligodendrocytes

A

a type of neuroglial cell that coils around axons of some neurons

42
Q

palliative

A

soothing

43
Q

pia mater

A

the innermost membrane covering the brain and spinal cord

44
Q

quadriplegia

A

paralysis of all four extremities and the torso

45
Q

sensory nerves

A

nerves that transmit impulses toward the central nervous system

46
Q

subarachnoid

A

under the arachnoid mater

47
Q

subdural

A

under the dura mater

48
Q

sulcus

A

a groove or depression on the surface of the cerebrum

49
Q

synapse

A

the space between two nerve cells

50
Q

syncope

A

fainting

51
Q

thalamus

A

the part of the brain that is located between the cerebrum and the midbrain

MOA (14 decks)

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