The Human Brain During the Third Trimester

Fr ontal

neuroepithelium and

subventricular zone

Fr ontal stratified

transitional field

Callosal glioepitheliuCallosal glioepitheliumm

Strionuclear

glioepithelium

Strionuclear

glioepithelium

Po sterior striatal neuroepithelium and subventricular zone

GlioepitheliuGlioepitheliumm

Stem cells of

choroid plexus

Stem cells of

choroid plexus

FFo rnical glioepitheliuornical glioepitheliumm

FFo rnical glioepitheliuornical glioepitheliumm

Pa rietal

neuroepithelium and

subventricular zone

Pa rietal

stratified transitional

field

R

e

t

i

c

u

l

a

r

nu

cl

eu

s

R

e

t

i

c

u

l

a

r

nu

cl

eu

s

ClaustrumClaustrum

PutamenPutamen

FFornixornix

F

o

r

n

ix

F

o

r

n

ix

FFornixornix

F

or

ni

x

Fo

rn

ix

CaCave of the septumve of the septum

Exter

nal capsule

Exter

nal capsule

EExxtteerrnnaall^ ccaappssuullee

Caudate

(head)

Caudate

(head)

Caudate

(tail)

Caudate

(tail)

Corpus

callosum

(genu)

Corpus

callosum

(genu)

Corpus

callosum

(splenium)

Corpus

callosum

(splenium)

Cingulate gyrus

(retrosplenial area)

Cingulate gyrus

(retro splenial area)

CingulumCingulum

Cingulate gyruCingulate gyruss

Callosal glioepitheliuCallosal glioepitheliumm

Induseum

griseum

Induseum

griseum Interhemispheric fissure

Interhemispheric fissure

Anteroventral

nucleus

Anteroventra l

nucleus Dorsomedial

nucleus

Dorsomedial

nucleus

Do

rs

ola

te

ra

l

nu

cle

us

Do

rs

ola

te

ra

l

nu

cle

us

Cen

tral^

late

ral

nucl

Cen eus

tral^

late

ral

nucl

eus

Antero-

dorsal nucleus

Antero-

dorsal nucleus

Ventral

anterior

nucleus

Ventral

anterior

nucleus

Ventral

lateral

nucleu

s

Ventral

lateral

nucleu

s

PulvinarPulvinar

Claustru

m

Claustru

m

PutamenPutamen

Insular gyruInsular gyruss

Choroid

plexus

Chor oid

plexus

A

N

TE

R

IO

R

C

O

M

PL

E

X

A

N

T

ER

IO

R

C

O

M

PL

E

X

DORSAL

COMPLEX

DORSAL

COMPLEX

DORSAL

COMPLEX

DORSAL

COMPLEX

POSTERIOR

COMPLEX

POSTERIOR

COMPLEX

CENT

RALCOMPLEX

CENT

RALCOMPLEX

R

E

TI

CU

LA

R

BE

LT

R

E

TI

CU

LA

R

BE

LT

VE

NT

RA

LC

OM

PL

EX

VE

NT

RA

LC

OM

PL

EX

Stria

terminalis

Stria

terminalis

Stria

terminalis

Stria

terminalis

BBA SAL GANGLIASAL GANGLIAA

THALAMUSTHALAMUS

Lateral fissure

Precentral

sulcus

PPo sterior limosterior limbb

Anterior lim

b

Anterior lim

b

In

te

rn

al

ca

p

su

le

In

te

rn

al

ca

p

su

le

Germinal and transitional structures in italics

Visual radiation

Lateral

ventricle

Lateral ventricle

Lateral Lateral ventriclventriclee

Cor

pus

callo

sum

Cor

pus

callo

sum

Cor

pus

ca

llos

um

Cor

pus

ca

llos

um

CingulumCingulum

Frontal

lobe

Frontal

lobe

Paracentral

lobule

Paracentral

lobu le

Stem cells of

choroid plexus

Stem cells of

choroid plexus

PParietal lobearietal lobe

White matter

Cortical plate

Layer I

Rostral migratory

stream (source area)

Anterolateral striatal neuroepithelium and subventricular zone

Anteromedial striatal neuroepithelium and subventricular zone

Callosal slinCallosal slingg

Callosal slinCallosal slingg

PLATE 81B