Head 
Figure 2-68: Above. Schematic drawing of brain of male European hamster, 1 year old; sagittal section. 
l = bulbus olfactorius; 2 = neopallium; 3 = fissura V cerebelli (f. prima); ll = pons; 12=medulla oblon- 
gata; l = lobuli I cerebelli; ll = lobuli II cerebelli; lll^lobuli III cerebelli; IV = lobuli IV cerebelli; V=lobuli V 
cerebelli; Vl^lobuli VI cerebelli; VII = lobuli VII cerebelli; VIII = lobuli VIII cerebelli; IX = lobuli IX cerebelli; 
X = lobuli X cerebelli; 13 = ventriculus quartus; 14=aquaeductus mesencephali; 15 = corpus mamillare; 
16 = massa intermedia; 17=ventriculus tertius; 18 = chiasma opticum; 19 = commissura rostralis; 20 = 
fornix; 21=corpus callosum; 22 = colliculus rostralis. Below. Sagittal section through formalin fixed 
brain of male European hamster, 1 year old. 
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