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CNS Anatomy > Organization Of Nervous System > Flashcards

Organization Of Nervous System Flashcards

1
Q

The Nervous system has three major functions:

A

Sensory functions
Integration functions
Motor functions

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2
Q

Which function monitors internal & external environment through presence of receptors?

A

Sensory functions

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3
Q

Which function interpretates the
sensory information (information processing)

A

Integration functions

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4
Q

Which function is a response to information
processed through stimulation of effectors?

A

Motor functions

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5
Q

There are 3 parts of the brain

A

Forebrain
Midbrain
Hindbrain

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6
Q

Includes all of the cerebrum and the internal nuclei

A

Telencephalon

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7
Q

the internal nuclei in telencephalon

A

Basal ganglia
Hippocampus
Olfactory bulb
Amygdala

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8
Q

Outermost layer of the cerebrum

A

Cerebral cortex

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9
Q

Composed of 2 - 4mm of gray matter

A

Cerebral cortex

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10
Q

Up to 6 horizontal layers with unique neuronal projections

A

Cerebral cortex

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11
Q

Basal ganglia Function

A

Motor control; connections with motor cortex and thalamus

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12
Q

includes the thalamus and hypothalamus

A

Diencephalon

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13
Q

Telencephalon + diencephalon =

A

Forebrain

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14
Q

Main integrating centre for sensory information

A

Thalamus

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15
Q

Main control centre for the autonomic nervous system

A

Hypothalamus

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16
Q

Receives input from basal ganglia & cerebellum

A

Thalamus

17
Q

Mesencephalon divisions

A

Tectum
Tegmentum

18
Q

contain nuclei for visual center

A

superior colliculi

19
Q

contain nuclei for auditory center

A

inferior colliculi

20
Q

Myelencephalon + metencephalon =

A

Hindbrain

21
Q

Contains ascending & descending sensory and motor tracts connecting the cerebrum to the spinal cord

A

medulla oblongata

22
Q

myelencephalon contains

A

Medulla oblongata

23
Q

Metencephalon contains

A

Pons & cerebellum

24
Q

connect information between cerebellum and cerebrum

A

Pons

25
Q

Controls posture and balance

A

Cerebellum

26
Q

brainstem refers to

A

Medulla oblongata
Pons
Midbrain

27
Q

Spinal cord function

A
  1. Conducts afferent stimuli from sensory receptors to the brain
  2. Conducts efferent stimuli from brain to effectors/muscles
  3. Site of reflex
28
Q

aggregates of nerve cells located outside the CNS

A

Ganglia

29
Q

PNS includes

A

sensory receptors
spinal
cranial nerves
ganglia

30
Q

CNS protection Against physical damage

A

Skull/vertebrae:
hard external protection

Meninges:
Pia mater (innermost layer) -Arachnoid mater -Dura mater

31
Q

CNS protection Against chemical damage

A

BBB - Tight junctions form physical barrier across capillaries

32
Q

CNS protection from physical and chemical damage

A

Cerebrospinal fluid -Shock absorption -Stable ionic composition

CNS Anatomy (10 decks)

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