The Human Brain During the Third Trimester

Orbital gyrusOrbital gyrus

BASAL

GANGLIA

BA SAL

GANGLIA

PutamenPutamen

Ventral

striatum

Ve ntral

striatum

Caudate

(tail)

Caudate

(tail)

Anterior commissu

re

Anterior commissu

re

ChorChoroid plexusoid plexus

ChorChoroid plexusoid plexus

Fimbria

Lateral

nucleus?

Lateral

nucleus?

ClaustruClaustrumm

ClaustruClaustrumm

Clau

stru

m

(reg

ion^ i

nfilt

rated

by^ t

he^ la

teral

mig

rator

y^ str

eam

)

Clau

stru

m

(reg

ion^ i

nfilt

rated

by^ t

he^ la

teral

mig

rator

y^ str

eam)

E

n

d

o

pi

ri

fo

rm

n

u

cl

eu

s

E

n

d

o

pi

ri

fo

rm

n

u

cl

eu

s

C

o

r

t

i

c

a

l

p

la

t

e

C

o

r

t

i

c

a

l

p

la

t

e

White matterWhite matter

Damaged arDamaged areaea

In

ter

nal

capsu

le

In

ter

nal

capsu

le

Lateral

ventricle

Lateral

ventricle

AM

YGD

ALA

AM

YGD

ALA

Frontal

lobe

Frontal

lobe

Temporal

lobe

Te mporal

lobe

Central

nucleus

Central

nucleus

Lateral

migratory

stream

Lateral

migratory

stream

Lateral

migratory

stream

Lateral

migratory

stream

Fi mbrial glioepithelium

Corona

radiata

Corona

radiata

Uncinate

fasciculus

Uncinate

fasciculus

Stria term

inalis

Stria term

inalis Stria^

termin

alis

Stria^

termin

alis

Insular gyrusInsular gyrus

Insular gyrusInsular gyrus

Insular gyrusInsular gyrus

Damaged arDamaged areaeass

Lateral fissure ExterExternal capsulnal capsulee

Pr

im

ar

y

ol

fa

ct

o

r

y

c

o

r

t

e

x

Pr

im

ar

y

ol

fa

ct

o

r

y

c

o

r

t

e

x

Lat

era

l

ol

fa

ct

o

ry

tr

a

c

t

Lat

era

l

ol

fa

ct

o

ry

tr

a

c

t

PPa rietal neuroepithelium and subvarietal neuroepithelium and subventricular zoneentricular zone

Subpial granular layer

Subpial granular layer

PPa rietal stratified transitional fieldarietal stratified transitional field

Tempora

lneuro

epith

elium

and

sub

ve

ntr

icu

la

rz

on

e

Tempora

lneuro

epith

elium

and

sub

ve

ntr

icu

la

rz

on

e

Te

m

po

ra

ls

tra

tif

ied

tra

ns

itio

na

lfie

ld

Te

m

po

ra

ls

tra

tif

ied

tra

ns

itio

na

lfie

ld

LaLayer yer II

Germinal and transitional structures in italics

Strionuclear glioepitheliumStrionuclear glioepithelium

Posterior striatal neuroepithelium

and subventricular zone

Po sterior striatal neuroepithelium

and subventricular zone

Amygdaloid

glioepithelium/ependyma

Amygdaloid

glioepithelium/ependyma

PLATE 209B