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AOS1 - Week 1 > Structure and blood supply of the brain > Flashcards

Structure and blood supply of the brain Flashcards

1
Q

What do nerve cells do?

A
  • Receives information
  • Processes information
  • Sends information
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2
Q

What do Glial cells do?

A

Controls the environment

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3
Q

What are the three types of neurons?

A
  • multipolar
  • pseudounipolar
  • bipolar
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4
Q

What is the function of astrocytes?

A

Maintain the blood brain barrier and they also provide with metabolic support

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5
Q

What is the function of Ependymal cells?

A

These cells line spinal cord and ventricles of the brain. They also help produce cerebrospinal fluid

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6
Q

What is the function of Oligodendrocytes?

A

Myelinate CNS axons, providing structural framework

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7
Q

What is the function of microglia?

A

They remove dead cells and pathogens by a process known as phagocytosis

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8
Q

What is a nucleus?

A

A group of functionally related nerve cells bodied in the CNS

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9
Q

What are the layers of the meninges?

A
  • dura mater (outer)
  • arachnoid mater (middle)
  • pia mater (inner)
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10
Q

What are the spaces of the meninges?

A
  • epidural
  • subdural
  • subarachnoid
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11
Q

What are the 4 lobes of the brain?

A
  • Frontal
  • temporal
  • parietal
  • occipital
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12
Q

What are the cortical areas?

A
  • prefrontal cortex
  • motor association cortex
  • primary motor cortex
  • primary somatosensory cortex
  • visual cortex
  • auditory cortex
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13
Q

What is the fornix?

A

it is efferent fibre bundles that control and modulate emotion

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14
Q

What is the nucleus accumens?

A

this is involved in the reinforcement/gratification/addiction

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15
Q

What is the cingulate gyrus?

A

emotion processing, learning and memory

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16
Q

What is the thalamus?

A

Part of the midbrain where sensory information is transferred through it to higher part of the brain

17
Q

What is the hypothalamus?

A

controls the autonomic nervous system

18
Q

What is the medulla oblongata?

A

Part of the hindbrain that regulates autonomic functions such as swallowing and coughing

19
Q

What is the pons?

A

part of the hindbrain that helps regulate breathing and relays sensory information

20
Q

What is the cerebellum?

A

this is part of the hindbrain that integrates sensory and motor information which helps with balance

21
Q

What is the vascular supply to the brain?

A
  • 2 internal carotid arteries
  • 2 vertebral arteries
  • circle of willis
22
Q

What is the blood brain barrier?

A

Protects the brain and allows essential compounds to pass into the brain circulation

23
Q

What is the internal carotid artery?

A

forms the anterior circulation for majority of the forebrain and it arises from the common carotid

24
Q

What do the vertebral arteries supply?

A
  • upper spinal cord
  • brain stem
  • cerebellum
  • posterior cerebral hemisphere

AOS1 - Week 1 (8 decks)

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