FIGURE 2 



Right side of chondrocranium and anterior cervical vertebrae of a 20 mm. 

 human embryo. 



Processus longus incudis 



Chorda tympani 



N. facialis 



Reichert's cartilage 



Canalis semicircularis inferior 



Costal process 2nd occipital verte 



bra 

 Arcus anterior atlantis 

 Processus mastoideus 

 Dens epistrophei 

 Processus costalis atlantis 

 Processus transversus atlantis 

 Processus paracondyloideus 

 Commissura occipito-capsularis 

 Arcus atlantis posterior 

 Costal bar, Lamina alaris 

 Paraforminal area 

 Fissura occipito-capsularis 

 Crescentic ridge 

 Tectum posterius 



630 



