General Brain Anatomy Flashcards

1
Q

What is the light blue lobe called?

A

Frontal lobe

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2
Q

What is the purple lobe called?

A

Parietal lobe

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3
Q

What is the green lobe called?

A

Occipital lobe

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4
Q

What is the red lobe called?

A

Cerebellum

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5
Q

What is the yellow lobe called?

A

Temporal lobe

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6
Q

What are the gyri?

A

The rolls of the cerebral cortex

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7
Q

What are the sulci?

A

The grooves between the gyri

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8
Q

What is the central sulcus?

A

A large fissure separating the frontal from the parietal lobes

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9
Q

What is the lateral sulcus?

A

A large fissure that separates the temporal lobe from the parietal and frontal lobes

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10
Q

What is the corpus callosum?

A

A large bundle of white matter connecting the two hemispheres

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11
Q

What are the layers of membranes surrounding the brain and spinal cord called?

A

The meninges

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12
Q

How many layers of the meninges are there and what are they called?

A

3

  • The dura mater
  • The arachnoid mater
  • The pia mater
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13
Q

What is the dura mater?

A

The outer layer of the meninges that lines the interior of the skull

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14
Q

What is the arachnoid mater?

A

The delicate, middle layer of the meninges that invests the brain loosely- doesn’t follow the surface closely

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15
Q

What is the pia mater?

A

The inner layer of the meninges that is closely attached to the surface of the brain and closely adherent to the underlying nervous tissue

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16
Q

What supplies arterial blood to the brain?

A
  • Internal carotid arteries
  • Vertebro-basilar system
  • Circle of Willis
  • Blood-brain barrier
17
Q

What is the venous drainage of the brain?

A
  • Cerebral veins
  • Dural venous sinuses
18
Q

What is the frontal lobe?

A

It is the primary motor cortex and prefrontal cortex

19
Q

What is the temporal lobe?

A
  • Primary auditory cortex
  • Auditory assosciation cortex
  • Hippocampus
  • Amygdala
20
Q

What is the parietal lobe?

A
  • Primary somatosensory cortex
  • Assosciation cortex
21
Q

What is the occipital lobe?

A
  • Primary visual cortex
  • Visual assosciation cortex
22
Q

What is the cerebellum?

A
  • Motor control of equilibrium
  • Posture and muscle tone
  • Movement co-ordination
23
Q

What is the insula?

A

The floor of the lateral sulcus

24
Q

What is the opercula?

A

The parts of the temporal, frontal and parietal lobes that overlie the insula

25
Q

Where are the olfactory tracts?

A

Running on the inferior surface of the frontal lobes

26
Q

Where are the optic nerves?

A

Passing backwards and medially, converging in the midline to form the optic chiasma

27
Q

Where are the mammillary bodies?

A

They are the two rounded eminences behind the optic chiasma

28
Q

Where is the hypothalamus?

A

Behind the optic chiasma up to and including the mammillary bodies

29
Q

What is the white matter?

A

Contains relatively few cell bodies and composed mainly of long-ranged myelinated axons

30
Q

What is the grey matter?

A

Numerous cell bodies and relatively few myelinated axons

31
Q

What is neurophil?

A

Fibrous network of unmyelinated nerve fibres interrupted by numerous synapses occupying the space between neuronal cell bodies