DEVELOPMENT OF THE PALATE 



149 



Nasal septu 



Lateral palatine process 



Nasal septum 

 Lateral palatine process 



Mandible 



Turbinate anlage 



'- Tongue 



FlG. 151. Sections through the jaws of pig embryos, to show the development of the palate. 

 X 8. A, 22 mm.; B, 34 mm. 





Median palatine 

 process 



Lateral palatine 

 process 

 Internal choance 



Oral cavity 





Median palatine 

 process 



Rapke of lateral 

 palatine process 



Nasal passage 

 Anlage of uvula 



A B 



FIG. 152. Dissections to show the development of the hard palate in pig embryos. X 5- 

 A, The upper jaw and palatine processes of a 22 mm. embryo in ventral view; B, Fusion of 

 palatine processes in a 35 mm. embryo. 



