Sulci And Gyri Of Cerebral Cortex: Lateral Surface

Question 1

Lobes (4)

Answer 1

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

Question 2

Frontal lobe sulci

Answer 2

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

Question 3

Frontal lobe gyri

Answer 3

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

Question 4

Precentral sulcus

Answer 4

Parallel and anterior to central sulcus

Question 5

Superior frontal sulcus

Answer 5

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

Question 6

Inferior frontal sulcus

Answer 6

Begins in lower part Precentral sulcus and runs forwards then downwards

Question 7

Precentral gyrus

Answer 7

Between central and Precentral sulci

Question 8

Superior, middle, inferior, frontal gyri

Answer 8

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

Question 9

Inferior frontal gyrus

Answer 9

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

Question 10

Orbital

Answer 10

Below anterior horizontal ramus

Question 11

Angular

Answer 11

Between 2 rami

Question 12

Opercular

Answer 12

Between anterior ascending ramus and Precentral sulcus
Covers part of insula

Question 13

Parietal lobe sulci

Answer 13

1. Postcentral sulcus
2. Intraparietal sulcus

Question 14

Parietal lobe gyri

Answer 14

1. Postcentral gyrus
2. Superior parietal gyrus
3. Inferior parietal gyrus

Question 15

Postcentral sulcus

Answer 15

Parallel and posterior to central sulcus

Question 16

Intraparital sulcus

Answer 16

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

Question 17

Postcentral gyrus

Answer 17

Between central and Postcentral sulcus

Question 18

Superior and inferior parietal gyrus

Answer 18

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

Question 19

Inferior parietal lobule contains 2 gyri

Answer 19

1. Supramarginal gyrus
2. Angular gyrus

Question 20

Infraparietal lobule supramarginal gyrus

Answer 20

Surrounds up-turned posterior end of posterior ramus lateral sulcus

Question 21

Infraparietal lobule angular gyrus

Answer 21

Surrounds upturned posterior end of superior temporal sulcus

Question 22

Temporal lobe sulci

Answer 22

1. Superior temporal sulcus
2. Inferior temporal sulcus

Question 23

Superior temporal sulcus

Answer 23

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

Question 24

Inferior temporal sulcus

Answer 24

Below and parallel to superior temporal sulcus

Question 25

Temporal lobe gyri

Answer 25

1. Superior temporal gyrus
2. Middle temporal gyrus
3. Inferior temporal gyrus

Question 26

Superior temporal gyrus

Answer 26

Between posterior ramus lateral sulcus and superior temporal sulcus

Question 27

Middle temporal gyrus

Answer 27

Between superior and inferior temporal sulci

Question 28

Inferior temporal gyrus

Answer 28

Below inferior temporal sulcus