DERIVATIVES OF THE NEURAL TUBE 



A. MYELON 



(spinal cord) 



I. RHOMBENCEPHALON 



(rhomboid brain) 



1. Sacral 



region 



2. Lumbar 



region 



3. Thoracic 



(dorsal) 

 region 



4. Cervical 



region 



(a) MYELENCEPHALON f 5. Medulla 



(after brain) T Oblongata 



(b) METENCEPHALON f 6. Pons Varolii 



II. MESENCEPHALON 

 (mid brain) 



(hind brain) 



(c) MESENCEPHALON 



(mid brain) 



III. PROSENCEPHALON 

 (fore brain) 



(d) DIENCEPHALON 

 (interbrain or 

 'tween brain) 



(e) TELENCEPHALON 

 (end brain) 



C 6. 



I V. 



Cerebellum 



8. Region of 



the crurso 

 cerebri 



(brain stem) ; 

 corpora 

 quadrigemina 



9. Region of 



the optic 

 thalami 

 (basal nuclei) 



10. Optic tract 



(primitive optic 

 evaginations) 



11. Posterior 



lobe of 



hypophysis 



cerebri 



12. Pineal body 



'13. Cerebral 

 cortex 

 (pallium) 



14. Corpora 



striata 



15. Olfactory lobes 



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