Sulci And Gyri Of Cerebral Cortex: Lateral Surface Flashcards

1
Q

Lobes (4)

A
  1. Frontal lobe
  2. Parietal lobe
  3. Temporal lobe
  4. Occipital lobe
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2
Q

Frontal lobe sulci

A
  1. Precentral sulcus
  2. Superior frontal sulcus
  3. Inferior frontal sulcus
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3
Q

Frontal lobe gyri

A
  1. Precentral gyrus
  2. Superior frontal gyrus
  3. Middle frontal gyrus
  4. Inferior frontal gyrus
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4
Q

Precentral sulcus

A

Parallel and anterior to central sulcus

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5
Q

Superior frontal sulcus

A

Begins in upper part Precentral sulcus and runs forwards parallel to upper border

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6
Q

Inferior frontal sulcus

A

Begins in lower part Precentral sulcus and runs forwards then downwards

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7
Q

Precentral gyrus

A

Between central and Precentral sulci

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8
Q

Superior, middle, inferior, frontal gyri

A

Remaining part of frontal lobe is divided into 3 gyri by superior and inferior frontal sulci

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9
Q

Inferior frontal gyrus

A

Divided by anterior ascending and anterior horizontal rami of lateral sulcus into 3 parts:
1. Orbital
2. Angular (triangular)
3. Opercular

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10
Q

Orbital

A

Below anterior horizontal ramus

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11
Q

Angular

A

Between 2 rami

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12
Q

Opercular

A

Between anterior ascending ramus and Precentral sulcus
Covers part of insula

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13
Q

Parietal lobe sulci

A
  1. Postcentral sulcus
  2. Intraparietal sulcus
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14
Q

Parietal lobe gyri

A
  1. Postcentral gyrus
  2. Superior parietal gyrus
  3. Inferior parietal gyrus
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15
Q

Postcentral sulcus

A

Parallel and posterior to central sulcus

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16
Q

Intraparital sulcus

A

Begins from post-central sulcus and runs backwards parallel to upper border towards occipital lobe

17
Q

Postcentral gyrus

A

Between central and Postcentral sulcus

18
Q

Superior and inferior parietal gyrus

A

The remaining part of parietal lobe is divided into these two lobes by intraparietal sulcus

19
Q

Inferior parietal lobule contains 2 gyri

A
  1. Supramarginal gyrus
  2. Angular gyrus
20
Q

Infraparietal lobule supramarginal gyrus

A

Surrounds up-turned posterior end of posterior ramus lateral sulcus

21
Q

Infraparietal lobule angular gyrus

A

Surrounds upturned posterior end of superior temporal sulcus

22
Q

Temporal lobe sulci

A
  1. Superior temporal sulcus
  2. Inferior temporal sulcus
23
Q

Superior temporal sulcus

A

Begins near temporal pole and runs backwards below and parallel to posterior ramus lateral sulcus

24
Q

Inferior temporal sulcus

A

Below and parallel to superior temporal sulcus

25
Temporal lobe gyri
1. Superior temporal gyrus 2. Middle temporal gyrus 3. Inferior temporal gyrus
26
Superior temporal gyrus
Between posterior ramus lateral sulcus and superior temporal sulcus
27
Middle temporal gyrus
Between superior and inferior temporal sulci
28
Inferior temporal gyrus
Below inferior temporal sulcus