128 



PRIMATE ALVEOLINGUAL SALIVARY AREA 



jacent canal as accessory elements added to the glandular complex of the 



latter. In this case the number of in- 

 dependent ducts and, consequently, 

 the number of separate duct orifices 

 is reduced, while in the former type 

 of development they are increased. 



2. Glandular components of the 

 primitive alveolingual area, which 

 are in some forms used in the devel- 

 opment of conducting canals, may, in 

 others, by selective rearrangement, be 

 assigned to the secretory division of 

 the entire apparatus, and thus fonn 

 part of the actual gland body, instead 

 of entering into the composition of 

 Fig. 66. the ducts. 



