1. 2 Central Sulcus
- separates parietal and frontal lobes
- separates parietal and temporal lobes
3 Longitudinal Fissure
1 Sylvian or Lateral Fissure

2. Parieto-Occipital Sulcus
- separates parietal and occipital lobes

3. Lettered Sulci
Numbered Gyri 1
Precentral Gyrus 2
Postcentral Gyrus
1 –
2 – A
A – Lateral (Sylvian) Fissure B
B – Central Sulcus 3
Inferior Frontal Gyrus
3 – C
C – Inferior Frontal Sulcus
Broca’s Area
4 – 4 7
Pars Orbitalis of Inferior Frontal Gyrus 5
Pars triangularis of Inferior Frontal Gyrus 6
Pars Opercularis of Inferior Frontal Gyrus
5 –
6 –
7 – 9
Superior Frontal Gyrus
9 – D
D – Superior Frontal Sulcus 8
Middle Frontal Gyrus
8 – 10
Superior Temporal Gyrus 11
Middle Temporal Gyrus E
E – Superior Temporal Sulcus
10 –
11 –

4. 2 – Superior Transverse Temporal Gyri of Heschl
3 – Primary Auditory Cortex
2 – gyri?
3 – functional area?
1 – Lobe?
1 – Insular lobe

5. Uncus
Parahippocampal gyri

6. D – Parieto-Occipital Sulcus
A – Corpus Callosum
B – Lateral Ventricle
B – space? L
L - Thalamus C
C - Fornix M
M - Hypothalamus D
D – Parieto-Occipital Sulcus N
N – Anterior Commissure E F
E – Cuneus Gyrus
F – Lingual Gyrus H I
H – Central Sulcus
I – Paracentral Lobule O
O – Superior Colliculus P
P – Inferior Colliculus G
G – Calcarine Sulcus K
K – Superior Frontal Gyrus J
J – Cingulate Gyrus
Vermis means worm in Latin
Q – Cerebral Aqueduct Q R
R – 4th Ventricle

7. G F A - Thalamus E B - Hypothalamus A C - Amygdala D – Globus Pallidus
Anterior commissure is anterior to this section, would be just ventral to lateral ventricles
Ant. Comm. Cartoon:
Ant. Comm. Pic: D
D – Globus Pallidus B
E – Putamen C
F – Caudate
G – Fornix

8. A - Thalamus B
B – Subthalamic Nucleus C
C - Hippocampus G
G - Fornix A D
D – Globus Pallidus E
E - Putamen F
F – Third Ventricle H
H – Parahippocampal Gyrus

11. Ventricular System 1.
Lateral Ventricle 4.
Cerebral Aqueduct of Sylvius 5.
Fourth Ventricle 2.
Interventricular Foramen of Monro 3.
Third Ventricle

12. H G
A – Corpus Callosum F B
B – Internal Capsule, Anterior Limb K
C – Caudate Nucleus
D – Septum Pellucidum
E - Thalamus
F - Putamen E A
G – Globus Pallidus D
H – Third Ventricle C
I – Posterior Horn Lateral Ventricle J I
J – Internal Capsule, Posterior Limb
K–Primary Visual Cortex