1.3 The External Features of the Cerebral Hemisphere Flashcards

1
Q

What is the name given to the large (incomplete) Fissure which separates the 2 Cerebral Hemispheres?

A

The Median Longitudinal Fissure

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2
Q

What structure connects the 2 Hemispheres?

A

The Corpus Callosum

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3
Q

What type of Nerve Fibers are carried in the Corpus Callosum?

A

Commissural Fibers - allowing the 2 Hemispheres to communicate with each other

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4
Q

The Cerebral Hemisphere (upon removal of the Skull Cap and Encasing Meninges) covers all of the Cranial Cavity except which part?

A

The Posterior Cranial Fossa, due to this being where the Brainstem and Cerebellum are placed

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5
Q

What separated the Cerebral Hemispheres from the Cerebellum?

A

The Tentorum Cerebelli

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6
Q

What is the Tentorum Cerebelli?

A

A Fold of Dura Matter

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7
Q

What are the 4 lobes of the Brain?

A
  1. The Frontal Lobe
  2. The Parietal Lobe
  3. The Temporal Lobe
  4. The Occipital Lobe
    These are all named after the Bones they are found underneath
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8
Q

What separates the Frontal and the Temporal Lobes?

A

The Lateral (Sylvian) Sulcus

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9
Q

What separates the Frontal and the Parietal Lobes?

A

The Central Sulcus

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10
Q

What separates the Parietal and Occiptal Lobes?

A

The Parieto-Occipital Sulcus

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11
Q

What separates the Parietal and Temporal Lobes?

A

Nothing, they meet at the Temporoparietal Junction

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12
Q

What does the Calcarine Sulcus Separate?

A

It divides the Visual Cortex into 2:

  1. The Primary Visual Cortex (Area 17)
  2. The Visual Association Area (Area 18/19)
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13
Q

Which lobe contains the Primary Motor Cortex?

A

The Frontal Lobe (Area 4)

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14
Q

Which lobe contains the Primary Sensory Cortex?

A

The Parietal Lobe (Area 3, 1, and 2)

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15
Q

Which lobe contains the Primary Visual Cortex?

A

The Occipital Lobe (Area 17)

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16
Q

Which lobe contains the Primary Auditory Cortex?

A

The Temporal Lobe (Area 41, and 42)