‘E5 
MBRYO 
| PYRIFORM LOBE 
te ~ 
oO i} 
——— S 
\ o 
|7 4 
mm. 
121 11.8 | Ventro-lateral sector 
4 
thicker 
940 | 14.0 | Same 
H173 } 19.1 
ventricular wall be- 
tween neopallium and 
corpus striatum 
460 | 20.0 | Same 
91 | 27.8 
contour of these nuclei 
H41 | 32.1 | Same 
1163 | 39.1 | Appearance of lateral nu- 
cleus and tract; cortical 
layers; endorhinal and 
ectorhinal fissure 
886 | 43 Same 
| . 
wits of the cerebral hemisphere 
Appearance of sulcus on 
Two definite cell layers on 
THE FISSURA HIPPOCAMPI 
HIPPOCAMPUS 
Narrow marginal velum; 
suleus limitans hippo- 
campi; ventricular ridge 
Occupies medio-dorsal 
wall of hemisphere, 
wider marginal velum 
Same plus a few cells in 
the marginal velum. 
Fissura hippocampi 
FASCIA DENTATA 
Few cells opposite 
the sulcus limi- 
tans hippo- 
campi 
Same 
Same 
Two cortical lamina in 
dorsal lip of fissure 
Intermediate cell layer in 
ventral lip 
Same 
Same 
Growth dorsally 
along marginal 
velum of hippo- 
campi 
165 
NEOPALLLIUM 
No differentiation 
Marginal velum contains 
neuroblasts 
Neopallial tissue appears 
on the medial wall 
Appearance of neopallial 
tissue posterior to hippo- 
campus 
Increase in total tissue; 
cortical layers 
More tissue 
Same 
Same 
