Cápsula interna e núcleos da base

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109Brain: Subcortical Nuclei
Insula (Reili). The opercula of the frontal, parietal, and temporal lobes have been
removed to display the insular gyri. Left hemisphere.
Dissection of the corona radiata, left hemisphere. Frontal pole on the left.
1 Circular sulcus of insula
2 Long gyrus of insula
3 Short gyri of insula
4 Limen insulae
5 Opercula (cut)
a Frontal operculum
b Frontoparietal operculum
c Temporal operculum
6 Corona radiata
7 Lentiform nucleus
8 Anterior commissure
9 Olfactory tract
10 Cerebral arcuate fibers
11 Optic radiation
12 Cerebral peduncle
13 Trigeminal nerve (n. V)
14 Flocculus of cerebellum
15 Pyramidal tract
16 Decussation of pyramidal tract
17 Internal capsule
18 Optic tract
19 Optic nerve (n. II)
20 Infundibulum
21 Temporal lobe (right side)
22 Mamillary bodies
23 Oculomotor nerve (n. III)
24 Transverse fibers of pons
Corona radiata and internal capsule,
left hemisphere. Lentiform nucleus 
removed (frontal pole to the left).
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110 Brain: Subcortical Nuclei
1 Corona radiata
2 Anterior horn of lateral
ventricle
3 Head of caudate nucleus
4 Putamen
5 Anterior commissure
6 Olfactory tract
7 Amygdala
8 Hippocampal digitations
9 Internal capsule
10 Calcar avis
11 Posterior horn of lateral
ventricle
12 Choroid plexus of lateral
ventricle
13 Caudal extremity of caudate
nucleus
14 Pulvinar of thalamus
15 Mamillary body
16 Optic tract
17 Anterior commissure
18 Fornix
19 Longitudinal stria
20 Dentate gyrus
21 Hippocampal fimbria
22 Pes hippocampi
Dissection of the subcortical nuclei and internal capsule, left hemisphere (lateral aspect).
Frontal pole to the left. The lateral ventricle has been opened, and the insular gyri and claustrum
have been removed, revealing the lentiform nucleus and the internal capsule.
Dissection of the limbic system and the fornix (lateral aspect). Frontal pole to the left.
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116 Brain: Coronal and Cross Sections
1 Corpus callosum
2 Head of caudate nucleus
3 Internal capsule
4 Putamen
5 Globus pallidus
6 Anterior commissure
7 Optic tract
8 Amygdaloid body
9 Inferior horn of lateral ventricle
10 Lateral ventricle
11 Septum pellucidum
12 Lobus insularis (insula)
13 External capsule
14 Column of fornix
15 Optic recess
16 Infundibulum
17 Thalamus
18 Claustrum
19 Lenticular ansa
20 Third ventricle and hypothalamus
21 Basilar artery and pons
22 Cortex of temporal lobe
23 Inferior colliculus
24 Superior colliculus
25 Cerebral aqueduct
26 Red nucleus
27 Substantia nigra
28 Cerebral peduncle
29 Trochlear nerve (n. IV)
30 Gray matter
31 Nucleus of oculomotor nerve
32 Fibers of oculomotor nerve (n. III)
33 Vermis of cerebellum
34 Fourth ventricle
35 Reticular formation
36 Pons and transverse pontine fibers
37 Emboliform nucleus
38 Dentate nucleus
39 Middle cerebellar peduncle
40 Choroid plexus
41 Hypoglossal nucleus at rhomboid fossa
42 Medial longitudinal fasciculus
43 Trigeminal nerve (n. V.)
44 Inferior olivary nucleus
45 Corticospinal fibers and arcuate fibers
46 Fourth ventricle with choroid plexus
47 Vestibular nuclei
48 Nucleus and tractus solitarius
49 Inferior cerebellar peduncle 
(restiform body)
50 Reticular formation
51 Medial lemniscus
52 Cuneate nucleus of Burdach
53 Central canal
54 Pyramidal tract
55 Flocculus of cerebellum
56 Cerebellar hemisphere with pia mater
57 “Arbor vitae” of cerebellum
58 Nucleus gracilis of Goll
59 Lateral recess of choroid plexus
of fourth ventricle
60 Posterior inferior cerebellar artery
61 Choroid plexus of lateral ventricle
Coronal section through the brain at the level of the anterior commissure. 
Section 1.
Coronal section through the brain at the level of the third ventricle and the 
interthalamic adhesion. Section 2.
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119Brain: Horizontal Sections
Horizontal section through the head at the level of third
ventricle of internal capsule and neighboring nuclei. 
Section 3.
MRI scan at the corresponding level to the above figure.
Section 3.
Sagittal section through the head. 
Levels of the horizontal sections are indicated.
1 Caudate nucleus
2 Lobus insularis (insula)
3 Lentiform nucleus
4 Claustrum
5 External capsule
6 Internal capsule
7 Thalamus
8 Inferior sagittal sinus
9 Superior sagittal sinus
10 Skin of scalp
11 Falx cerebri
12 Calvaria (diploe of skull)
13 Genu of corpus callosum
14 Anterior horn of lateral ventricle
15 Septum pellucidum
16 Column of fornix
17 Choroid plexus of third ventricle
18 Splenium of corpus callosum
19 Entrance to inferior horn of lateral ventricle with
choroid plexus
20 Optic radiation
21 Third ventricle
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Brain: Horizontal Sections
1 Genu of corpus callosum
2 Head of caudate nucleus
3 Putamen
4 Claustrum
5 Globus pallidus
6 Third ventricle
7 Thalamus
8 Pineal body
9 Splenium of corpus callosum
10 Choroid plexus of the lateral
ventricle
11 Anterior horn of lateral ventricle
12 Cavity of septum pellucidum
13 Septum pellucidum
14 Anterior limb of internal capsule
15 Column of fornix
16 External capsule
17 Lobus insularis (insula)
18 Genu of internal capsule
19 Posterior limb of internal capsule
20 Posterior horn of lateral ventricle
21 Anterior commissure
22 Optic radiation
23 Falx cerebri
24 Maxillary sinus
25 Position of auditory tube
26 Tympanic cavity
27 External acoustic meatus
28 Medulla oblongata
29 Fourth ventricle
30 Cerebellum (left hemisphere)
31 Temporomandibular joint
32 Tympanic membrane
33 Base of cochlea
34 Mastoid air cells
35 Sigmoid sinus
36 Vermis of cerebellum
37 Intermediate mass
Horizontal section through the brain, showing the subcortical nuclei and internal 
capsule. Section 1.
Horizontal section through the head. Section 2. Horizontal section through the head. Section 4.
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