DERIVATIVES OF THE NEURAL TUBE 



A. MYELON 



(spinal cord) 



I. RHOMBENCEPHALON 



(rhomboid brain) 



II. MESENCEPHALON 



(mid brain) 



1. Sacral 



region 



2. Lumbar 



region 



3. Thoracic 



(dorsal) 

 region 



4. Cervical 



region 



(a) MYELENCEPHALON / 5. Medulla 



(after brain) \ Oblongata 



(b) METENCEPHALON 

 (hind brain) 



(c) MESENCEPHALON 



(mid brain) 



III. PROSENCEPHALON 

 (fore brain) 



(d) DIENCEPHALON 



(interbrain or 

 'tween brain) 



(e) TELENCEPHALON 

 (end brain) 



594 



f G. Pons Varolii 

 \ 7. Cerebellum 



. Kegion of 

 the crura? 

 cerebri 



(brain stem) ; 

 corpora 

 quadrigemina 



Region of 

 the optic 

 thalami 

 (basal nuclei) 



10. Optic tract 



(primitive opti< 

 evaginations) 



11. Posterior 



lobe of 



hypophysis 



cerebri 



12. Pineal body 



13. Cerebral 



cortex 

 (pallium) 



14. Corpora 



striata 



15. Olfactory lobes 



