The Human Brain During the Third Trimester

(vip2019) #1
Gyrus rectu
s
Gyrus rectu
s

GW30 Horizontal


CR 260 mm


Y187-65


Level 11: Section 841


Fusiform
gyrus?

Fusiform
gyrus?

Orbital gyri

La
ter
al v
en
tri
cle

La
ter
al v
en
tri
cle

LLaatteerraall^ vveennttrriiccllee
Lateral fissure

Third Third ventricleventricle

TTeemmppoorraal lol lobbee


Occipital
lobe

Occipital
lobe

Interhemispheric
fissure

Frontal
lobe

Frontal
lobe

Hypo-
thalamus

Hypo-
thalamus

TTectuectumm

MMiiddbbrraaiinn

Hippo-
campus

Hippo-
campus
Para-
hippocampal
gyrus

Para -
hippocampal
gyrus

Middle temporal gyrus
Inferior temporal gyrus

Lateral
occipital
gyri

Inferior
colliculus

Inferior
colliculus

Layer I

Cortical plate

White matter

11


22


33


44


55


66


77


99 88


1010


1111


1212


1313


1313


1414


TTe gmentumegmentum
Red
nucleus

Red
nucleus

Primary olfactory
cortex (piriform)

Endopiriform
nucleus

Endopiriform
nucleus

CeCerre bral aqueducebral aqueductt

Ce

re
br
al
pe
du
ncle

Ce

re
br
al
pe
du
ncle

Substantia
nigra

Substantia
Olfactory nigra
tubercle

Olfactory
tubercle

AmygdalAmygdalaa

Optic tractOptic tract

Central
nucleus

Central
nucleus

C
or

tic

om

ecia
lcom
pl
ex

C
or

tic

om

ecia
lcom
pl
ex

Pa rahippocampal neuroepithelium, subventricular
zone, and stratified transitional field
4

6 Occipital stratified transitional field


7 Te mporal neuroepithelium and subventricular zone


2 Fr ontal stratified transitional field


1 Rostral migratory stream


5 Occipital neuroepithelium and subventricular zone


3 Fo rnical glioepithelium


8 Te mporal stratified transitional field


12 Po sterior striatal neuroepithelium and subventricular zone


13 Amygdaloid glioepithelium/ependyma


9 Alvear glioepithelium


11 Lateral migratory stream (cortical)


10 Subgranular zone (dentate)


14 Subpial granular layer (cortical)


Remnants of the germinal matrix, migratory streams, and transitional fields


See detail of brain core


in Plates 140A and B.


IIIIII


Damaged areas in section

PLATE 122

Free download pdf