Toe a eT 
“BASAL GANGLIA OF THE CEREBRAL HEMISPHERE. 539 
darker in colour than the globus pallidus, and in this respect resembles the caudate 
nucleus. It is 
traversed by fine 
radiating bundles 
of fibres, which 
enter it from the Great longi: 
| external medul- tudinal fissure 
lary lamina. Both 
in point of struc- 
ture and in mode 
of development it Corpus callosum—_ 
| is closely associ- Lateral ventricle, 
) ated with the Anterior pillar 
| 
; 
of fornix — 
Becaudate nucleus, Chereid:plexus— 
and it is the only Roraeer otk te 
part of the len- lo 
ticular nucleus 
which is con- 
nected by inter- Septum lucidum~ 
vening bands of 
eray matter with 
the caudate nuc- Caudate tel Ges 
leus. The antero- Internal capsule 
posterior length, Eutamen 
as well as the Claustrum 
vertical depth of Fic. 401.—CoronaL SECTION THROUGH THE CEREBRAL HEMISPHERES so as to cut 
the putamen, is through the anterior part (putamen) of the lenticular nucleus in front of the 
globus pallidus, 
much greater than 
in the case of the globus pallidus; consequently, in both coronal and horizontal 
Choroid plexus 
Great longitudinal 
fissure 
Lateral ventricle = 
_Corpus callosum 
a 
| Claustrum ‘ ¥ be \ y : Fornix 
Bundle of Vieq ~ _Caudate nucleus 
d@Azyr Vein of corpus 
striatum. 
Putamen Velum interpositum 
-——Thalamus 
Insula 
“-___Third ventricle 
Globus pallidus Choroid plexus 
~Internal capsule 
Foramen of Monro 
Anterior pillar of 
fornix 
—~Anterior commissure 
Antevior pillar 
of fornix 
Amygdaloid 
nucleus 
Optic tract 
Infundibulum 
Optic chiasma 
Optic nerve 
Locus perforatus anticus Olfactory peduncle 
Fic. 402.—CoroNAL SECTION THROUGH THE CEREBRUM, so as to cut through the three divisions of the 
lenticular nucleus ; posterior surface of the section depicted. 
sections through the cerebrum it is encountered before the plane of the globus 
pallidus is reached. 
