The Human Brain During the Third Trimester

GW37 Coronal

CR 350 mm

Y217-65

Level 14: Section 1141

See detail of brain core

in Plates 40A and B.

Induseum griseum

Temporal

lobe

Te mporal

lobe

Induseum griseum

Transpontine corticofugal tract

Reticular tegmental nucleus

Pontine gray

Middle cerebellar peduncle

Nerve V

Precentral gyrus

Postcentral gyrus

Supramarginal gyrus

Central sulcus

Middle

temporal

gyrus

Inferior temporal gyrus

Parahippocampal gyrus

Raphe nuclear complex

Stria terminalis

Fusiform gyrus

Parietal

lobe

Parietal

lobe

Interhemispheric

fissure

Lateral

ventricle

Lateral

ventricl e

Lateral vLateral ventriclentriclee

Cerebral

aqueduct

Cerebral

aqueduct

Central

gray

Central

gray

TTeeccttuumm

Superior

cerebellar

peduncle

Superior

cerebellar

peduncle

Superior

colliculus

Superior

colliculus

FFornixornix

Hippo-

campus

Hippo-

campus

Ammon's hoAmmon's hornrn

Dentate gyruDentate gyruss

SubiculuSubiculumm

Fimbria/Fimbria/ffornixornix

Caudate (tail)Caudate (tail)

White

matter

Cortical plate

Layer I

33

1010

(^6655)
77
88
22
11
1111
Cingulate
gyrus
Cingulate
gyrus
CingulumCingulum
99
MidbraiMidbrainn
PPonsons
TTegmentumegmentum
ThalamusThalamus
44
44
CoCorpus callosumrpus callosum
Po
ste
rio
r
co
m
ple
x
Po
ste
rio
r
co
m
ple
x
1212
1313
PPaarraacceennttrraall^ lloobbuullee
1 Pa racentral/parietal neuroepithelium and subventricular zone
6 Te mporal neuroepithelium and subventricular zone
Pa rahippocampal neuroepithelium, subventricular zone,
(^5) and stratified transitional field
2 Pa racentral/parietal stratified transitional field
7 Te mporal stratified transitional field
Remnants of the germinal matrix, migratory streams, and transitional fields
10 Po sterior striatal neuroepithelium and subventricular zone
11 Strionuclear glioepithelium
12 Mesencephalic glioepithelium/ependyma
13 Subpial granular layer (cortical)
4 Fo rnical glioepithelium
8 Alve ar glioepithelium
9 Subgranular zone (dentate)
3 Callosal glioepithelium
Superior
temporal
gyrus
PLATE 14