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Anataony & p > Nervous system > Flashcards

Nervous system Flashcards

1
Q

Dopamine

A

Dopamine Influences movement, learning, attention, and emotion. Excess= schizophrenia. Not Enough= Parkinson’s.

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2
Q

Glutamate

A

A major excitatory neurotransmitter; involved in memory. Excess=migraines, seizures. (NO MSG)


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3
Q

Oligodendrocytes

A

Makes the myelin sheath that provides insulation around the axon

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4
Q

Dendrites

A

Branchlike stricture of neuron that receives info

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5
Q

Neuroglial cells

A

Support for the neurons

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6
Q

Mircoglial cells

A

Digest diberis and bacteria and respond to immunological alarms

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7
Q

Axon

A

Part of neuron that conducts impulses

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8
Q

Astrocytes

A

Connect to blood vessels to neurons

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9
Q

Ependymal cells

A

Forms a membrane and what gray matter is

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10
Q

Schwann cells

A

Forms the myelin sheath

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11
Q

Chromatphilic substance

A

Transport system

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12
Q

Nerve impulse

A

Speed of an impulse is portportionate to a diameter of axon

Greater diameter = faster speed

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13
Q

Divisions of peripheral nervous system

A

Somatic and autonomic

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14
Q

Central nervous system

A

Consists of brain and spinal cord

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15
Q

Peripheral nervous system

A

Nerves of body
31 - spinal nerves
12 - cranial nerves

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16
Q

Divisions of the NERVOUS SYSTEM

A

Cns and Pns

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17
Q

Functions of nervous system

A

Sensory - gathers info

Integrative - info is brought together

Motor - responds to signals, homeostasis

18
Q

Somatic nervous system

A

Skeletal (voluntary

19
Q

Autonomic nervous system

A

Smooth muscles, glands

Involuntary AUTOMATIC

20
Q

Neurotransmitter

A

a chemical messenger that travels across the synapse from one neuron to next

21
Q

Cerebrum

A

Memory storage and functioning

22
Q

Cerebellum

A

Balance and coordinations unconscious brain

23
Q

Spinal cord

A

How brain sends messages

24
Q

Medulla

A

Relay sensory info to thalamus and hypothalamus

25
Q

Pons

A

Relays signals from cerebellum

26
Q

Midbrain

A

Unconscious brain, visual, hearing and motor control

27
Q

Lateral ventricle

A

SFS filed opening

28
Q

Frontal Lobe

A

Personality, moral and ethics and reasoning

29
Q

Parietal Lobe

A

Understanding speech and recognition

30
Q

Occipital lobe

A

Receives info upside down and breaks pattern down

31
Q

Temporal Lobe

A

Responsible for hearing language audio

32
Q

Corpus callosum

A

Connects both hemisphere

33
Q

Thalamus

A

Sleep and sensory interpretation

34
Q

Olfactory Bulb

A

Sense of smell

35
Q

Optic chiasma

A

Transport System eyes occipital lobe

36
Q

Pineal gland

A

Produces melatonin, helps circadian rhythm

37
Q

Arbor Vitae

A

Receives input from synapse points

38
Q

Hypothalamus

A

Temperature regulation, hormone formation

39
Q

Superior Colliculi

A

Hearing effects

40
Q

Fourth Ventricle

A

Filled with SFS

Anataony & p (3 decks)

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