DIGESTION 211 



the quantity of saliva secreted. How long after the cessation of the 

 blood flow may saliva be obtained? What conclusion seems justified 

 regarding the secretory activity of the cells of this gland? 



7. Dissection of the Salivary Glands. Isolate the sublingual and 

 parotid glands and their excretory ducts. 



Examine preparations of resting and active tissue from the parotid 

 or submaxillary gland under the microscope. 



