Anatomy (1-11 ) General

Question 1

Cerebral hemispheres consist of ? (4)

Answer 1

1- Gray matter = cerebral cortex
2- white matter = fibers
3- inner gray matter = ganglia
4- cavity = lateral ventricle

Question 2

Cerebral cortex show
Elevation :
Grooves :
Deep sulci :
&———- area ?

Answer 2

Gyri
Sulci
Fissures
Functional areas

Question 3

4 lobes of cerebral hemispheres?

Answer 3

1- frontal
2- temporal
3- parietal lobe
4- occipital lobe

Question 4

3 poles of cerebral hemispheres?

Answer 4

• frontal. - temporal. - occipital

Question 5

Hemisphere is divided by ? (4)

Answer 5

1- central sulcus
2- posterior ramus of lateral fissure
3- line from parieto-occipital sulcus to pre-occipital notch
4- line from posterior ramus lateral fissure to previous line (3)

Question 6

Lateral sulcus (sylvius ) begin ————& extend on ——- surface between———-& ————- lobe then divide to 3 rami ?

Answer 6

Begin : inferior surface , in lateral surface , temporal & frontal lobe

Question 7

Lateral sulcus (sylvius ) divides into 3 rami ?

Answer 7

1) posterior ramus : backward & upward into parietal lobe
2) anterior horizontal ramus : forward within inferior frontal Gyrus
3) anterior ascending ramus : upward within inferior frontal gyrus

Question 8

Central sulcus (rolando) extend from—————— midpoint between ———&——— lobe ?

Answer 8

Superior border behind midpoint , between frontal & occipital

Question 9

Central sulcus (rolando) end ——- middle of ——————-?

Answer 9

Above middle of posterior ramus of lateral sulcus

Question 10

Parieto-occipital sulcus between ———&————lobe ?

Answer 10

Parietal & occipital

Question 11

3 main Sulci of frontal lobe ? & 4 gyri of frontal lobe ?

Answer 11

1- pre-central sulcus
2- superior frontal sulcus
3- inferior frontal sulcus

• precentral gyrus
• superior frontal gyri
• Middle frontal gyri
• inferior frontal gyri

Question 12

Inferior frontal gyrus us divided by ———& ——— of lateral fissure into : ———,————,———- parts ?

Answer 12

Anterior horizontal & ascending rami ,
Orbital , triangular , opercular parts

Question 13

2 sulci of temporal lobe & 3 gyri ?

Answer 13

• superior temporal sulcus
• inferior temporal sulcus

Superior , middle , inferior temporal gyri

Question 14

The insula its ?

Answer 14

Buried part of cerebral cortex in the bottom of lateral sulcus

Question 15

The base of insula is surrounded by ?

Answer 15

Circular sulcus

Question 16

Insula is divided by ———-into ——gyri (anterior) & ——- gyrus (posterior )

Answer 16

Central sulcus of insula ( sulcus centralis insulae)

3 short gyri & one long gyrus

Question 17

Function of insula (7) ?

Answer 17

• self awareness
• basic emotions (joy, happy, disgust, anger )
• consciousness
  -cognitive functioning
• help in motor control
• homeostatic function ( survival need ( Tate & sensation ) )
• interpersonal experience

Question 18

Sulcus (2 ) of parietal lobe & 5 gyri ?

Answer 18

• post-central sulcus
• intraparietal sulcus

1- postcental gyrus
2&3 superior , inferior parietal lobuldes
4 supramarginal gyrus
5 angular gyrus

Question 19

Occipital lobe 1 sulcus & 2 gyri ?

Answer 19

1) transverse occipital sulcus

• divide occipital lobe into superior & inferior gyri

Question 20

Medial surface sulci (5) ?

Answer 20

1- Callosal sulcus
2- cingulate sulcus
3- subparietal ( suprasplenial ) sulcus
4- parieto- occipital sulcus
5- calcarine sulcus

Question 21

Medial surface 4 gyri ?

Answer 21

• cingulate gyrus
• cuneus gyrus
• precuneus gyrus
• lingual gyrus

Question 22

Inferior surface is divided by stem of lateral sulcus into ?

Answer 22

Orbital surface
Tentorial surface

Question 23

Inferior surface Orbital surface rest on ?

Answer 23

Roof of orbit

Question 24

Orbital surface sulci ? (2)

Answer 24

1) olfactory sulcus (lodges olfactory bulb & tract)
2) orbital sulcus (H shape )

Question 25

Orbital surface gyri ? (2)

Answer 25

1- gyrus rectus 2- orbital gyri

Question 26

Orbital surface gyrus rectus lies ———-to olfactory sulcus ?

Answer 26

Medial

Question 27

Orbital surface orbital gyri ————————the orbital sulcus ?

Answer 27

Surround (lateral ,medial , posterior , anterior )

Question 28

Tentorial surface of inferior surface is separated from cerebellum by ?

Answer 28

Tentorium cerebelli

Question 29

Inferior surface Tentorial surface sulcus (4) ?

Answer 29

- Hippocampal sulcus - collateral sulcus - Rhinal sulcus - occipital-temporal sulcus

Question 30

Inferior surface Tentorial surface gyri (4) ?

Answer 30

- lingual gyrus - uncus - parahippocampal G - occipital-temporal G