The Human Brain During the Third Trimester

GW30 Horizontal

CR 260 mm

Y187-65

Level 14: Section 941

Pa rahippocampal neuroepithelium, subventricular

(^2) zone, and stratified transitional field
3 Occipital stratified transitional field
4 Te mporal neuroepithelium and subventricular zone
1 Rostral migratory stream
5 Te mporal stratified transitional field
9 Amygdaloid glioepithelium/ependyma
6 Alve ar glioepithelium
8 Lateral migratory stream (cortical)
7 Subgranular zone (dentate)
11 Subpial granular layer (cortical)
10 External germinal layer (cerebellum)
Remnants of the germinal matrix, migratory streams, and transitional fields
Fusiform
gyrus?
Fusiform
gyrus?
TTeemmppoorraal lol lobbee
Occipital
lobe
Occipital
lobe
Interhemispheric
fissure
PPonsons
Para

hip

poca

mpa

l^

gyru

s

Para

hip

poca

mpa

l^

gyru

s

Middle temporal gyrus

Inferior temporal gyrus

Layer I

Cortical plate

White matter

1

22

33

44

55

66

77

8

9

10

11

Olfactory peduncle

A

m

y

g

d

a

la

A

m

y

g

d

a

la

Uncus

Pontine gray

CEREBELLUMCEREBELLUM

VVermisermis

HemispheHemispherree

Lateral vLateral ventriclentriclee

B

as

ol

at

er

al

co

m

pl

ex

B

as

ol

at

er

al

co

m

pl

ex

Entorhinal cortex

Cerebral

peduncle

Fourth

ve ntricle

See detail of brain core and

cerebellum in Plates 143A and B.

Damaged areas in section

PLATE 125