170 



TEXT-BOOK OF EMBRYOLOGY. 



Dium 



Crural nerve 



Pubic bone (cartilage) 



Obturator nerve 

 Ischium 



Ischiadic nerve 



FIG. 146. Cartilage of right side of pelvic girdle of a human embryo of 13.6 mm. 



(5 weeks). Peter sen. 

 The numerals indicate the vertebrae; the first sacral being opposite the ilium. 



Ilium 



Crural nerve 



Pubic bone (cartilage) 



Obturator nerve 



Ischium 



Ischiadic nerve 



FIG. 147. Cartilage of right side of pelvic girdle of a human embryo of 18.5 mm. 



(8 weeks). Peter sen. 



The numerals indicate the vertebras; the first and second sacral being opposite the ilium 



Compare with Fig. 146. 



