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Neuroscience Module > Brain Anatomy > Flashcards

Brain Anatomy Flashcards

1
Q

What does the cerebrum consist of?

A

Two hemispheres separated by longitudinal fissures

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2
Q

What are ridges known as?

A

Gyri

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3
Q

What are grooves known as?

A

Sulci

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4
Q

What are deeper grooves known as?

A

Fissures

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5
Q

What is the brain covered in?

A

Cortex

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6
Q

How many ventricles are in the brain and how are they categorised?

A

4 Ventricles

  • 2 large ventricles in the brain (one in each cerebral hemisphere)
  • 2 small ventricles in the brainstem
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7
Q

What is the cerebral cortex?

A

Grey matter running around the outside of the brain, containing cell bodies

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8
Q

What structure connects the cerebral hemispheres?

A

Corpus callosum

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9
Q

What are the lobes of the cerebrum?

A 
Occipital
Temporal
Parietal
Frontal
Limbic
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10
Q

What is between the parietal and frontal lobes?

A

Central sulcus

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11
Q

What is between the temporal and parietal/frontal lobes?

A

Lateral fissure

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12
Q

Where do the lobes extend?

A

On the medial aspect of each hemisphere

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13
Q

Give an overview of the blood supply to the brain

A

Blood supply to the brain and brainstem comes from two pairs of vessels that form an anastamosis at the base of the brain:
- Vertebral Arteries and Internal Carotid Arteries

These form the CIRCLE OF WILLIS

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14
Q

What do the vertebral arteries supply?

A
  • Brainstem
  • Upper Spinal Cord
  • Cerebellum
  • Occipital Lobe
  • Lower Temporal Lobe
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15
Q

What do the internal carotid arteries supply?

A
  • Frontal Lobe
  • Parietal Lobe
  • Upper Temporal Lobe
  • Thalamus and Deep Nuclei
  • Retinae
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16
Q

What arterial branches arise from the cerebral portion of the internal carotid artery?

A
  • Anterior Cerebral Artery

- Middle Cerebral Artery

17
Q

What artery branches from the intersection of the posterior communicating artery and the anterior portion of the basilar artery?

A
  • Posterior Cerebral Artery

Neuroscience Module (7 decks)

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