The Human Brain During the Third Trimester

(vip2019) #1

Orbital gyrOrbital gyrii


Interhemispheric FFrroonnttaall^ lloobbee
fissure

White matter


Cortical plate


Layer I


Cingulate
gyrus

Cingulate
gyrus

Lateral
ventricl e

SEPTUMSEPTUM


BASAL
GANGLIA

BA SAL
GANGLIA

C


a
u

d


a


te


n


u


c
le

u


s^


(h


e
a

d


)


C


a
u

d


a


te


n


u


c
le

u


s^


(h


e
a

d


)


TTe mporal polemporal polee


Lateral
fissure

Cell bridges
between the
caudate and
putamen

Rostral
migratory
stream

Rostral
migratory
stream

In


te


rn


a
l^

ca


p


su


le


(


a
n

te


r
io

r^


li
m

b


)


In


te


rn


a
l^

ca


p


su


le


(


a
n

te


r
io

r^


li


m


b


)


PutamenPutamen


Nucleus
accumbens

Nucleus
accumbens

Olfactory peduncles


Olfactory sulcuOlfactory sulcuss


Corpuscallosum


(bo
dy
)

Corpuscallosum


(bo
dy
)

Medial septal
nucleus

Lateral
septal nucleus

Lateral
septal nucleus

Columns of fornix


I
n

s


u


la


r


g


y


r


u


s


I
n

s


u


la


r


g


y


r


u


s


Ventral
striatum

Ve ntral
striatum

CingulumCingulum


E


x
te

rn

a
l

ca

p

su

le

E


x
te

rn

a
l

ca

p

su

le

C


la

u
st

ru

m

C


la

u
st

ru

m

Gyrus
rectus

Gyrus
rectus

Subcallosal
area

Subcallosal
area

Anterior
commissure

Anterior
commissure

Dorsal
tenia
tecta

Dorsal
tenia
tecta

Induseum
griseum

Endopiriform
nucleus

Endopiriform
nucleus

Globus
pallidus

Globus
pallidus

Cave of the septum

Stria
terminalis?

Stria
terminalis?

Uncinate
fasciculus

Uncinate
fasciculus

Fr ontal neuroepithelium
and subventricular zone

Fr ontal stratified
transitional field

Anterolateral striatal
neuroepithelium
and subventricular zone

Anteromedial striatal
neuroepithelium and
subventricular zone

Anteromedial striatal
neuroepithelium and
subventricular zone

Septal
glioepithelium/
ependyma

Septal
glioepithelium/
Accumbent neuroepithelium ependyma
and subventricular zone
(intermingled with the
source of the
rostral migratory stream)

Accumbent neuroepithelium
and subventricular zone
(intermingled with the
source of the
rostral migratory stream)

Subpial granular layer


Callosal sling


Fo rnical
glioepithelium

Callosal
glioepithelium

Superior temporal
gyrus

Inferior
frontal
gyrus

Germinal and transitional structures in italic s


PLATE 31B


pjwstk|402064|1435432833

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