The Human Brain During the Third Trimester

GW29 Coronal

CR 260 mm

Y14-59

Level 8: Section 861

Precentral gyrus

Superior frontal gyrus

Postcentral gyrus

Cingulate

gyrus

Cingulum

Induseum

griseum

Basal

ganglia

Basal

ganglia

P

ut

am

en

P

ut

am

en

ClaustruClaustrumm

ExterExternal capsulnal capsulee

Globus

pallidus

Globus

pallidus

Superior

temporal gyrus

Middle temporal

gyrus

Inferior

temporal gyrus

Hippo-

campus

Hippo-

campus

Entorhinal cortex

(in parahippocampal gyrus)

Caudate

(tail)

Caudate

(tail)

In

te

rn

al

ca

ps

ul

e

In

te

rn

al

(^) c
ap
su
le
Interhemispheric fissure
Frontal
lobe
Frontal
lobe
P
a
r
a
c
e
n
tr
a
l
lo
b
u
le
P
a
r
a
c
e
n
tr
a
l
lo
b
u
le
Temporal
lobe
Te mporal
lobe
Central sulcus
CCoorrppuussccaalllloossuumm
HypothalamusHypothalamus
ThalamusThalamus
AAmmyyggddaallaa
In
su
la
r
gy
ru
s
In
su
la
r
gy
ru
s
Ve ntromedial
nucleus
Third vThird ventricleentricle
Arcuate
nucleus
FFornixornix
FFornixornix
Optic
tract
Optic
tract
Basolateral
complex
Basolateral
complex
Co
rti
co
m
edi
al
co
mp
lex
Co
rti
co
m
edi
al
co
mp
lex
Lateral Lateral ventricleventricle
Central
nucleus
Central
nucleus
Forel's
fields
Fo rel's
Cerebral fields
peduncle
Cere bral
peduncle
Lateral
ventricle
K
See this area of cortex
in Plate 171.
1 Fr ontal/paracentral neuroepithelium and subventricular zone
2 Fr ontal/paracentral stratified transitional field
6 Amygdaloid glioepithelium/ependyma
Anteromedial/posterior striatal neuroepithelium and
(^5) subventricular zone
4 Strionuclear glioepithelium
11 Lateral migratory stream (cortical)
12 Subpial granular layer (cortical)
10 Te mporal stratified transitional field
Pa rahippocampal neuroepithelium, subventricular zone,
and stratified transitional field
8
9 Te mporal neuroepithelium and subventricular zone
7 Alve ar glioepithelium
3 Callosal glioepithelium
Remnants of the germinal matrix, migratory streams, and transitional fields
33
11
22
22
44
55
66
88
99
77
1010
1111
12
Anterior
complex
Anterior
complex
Ventral
complex
Ve ntral
complex
Periven-
tricular
complex
Periven-
tricular
complex
Reticular
belt
Reticular
belt
Lateral fissure
Layer I
Cortical plate
White matter
See detail of brain core
in Plates 179A and B.
Anterior
commissure
Anterior
commissure
Fusiform gyrus
Damaged areas in section
PLATE 158