HISTOLOGY. 107 



position of acini : glandular cells, resting on a base- 

 ment membrane and the lumen of the tube, or gland. 

 The ductules discharge their contents into the ducts. 



Exercise No. 55. Study, mount and preserve the sec- 

 tion suppliea. 



Note the method of stain used in your book. 



l'..rercise No. 56. M\a\ke a study of the pancreas in the 

 same way you did the parotid. 



Note the difference, if there is any. The ducts of 

 all glands are lined with columnar epithelial cells. 

 Sometimes the cells are arranged in two layers. (See 

 the scheme ot the salivary-glands in Bohm and David- 

 off, page 227.) 



Exercise No. 57. Make a study of the gland tissue 

 supplied and make out all the parts named as be- 

 longing to a gland. 



Mount and preserve. 



Exercise No. 58. Make a T. $. of all the glands of 

 the month and note the difference, if any, in them. 



Make drawings of all of them. There are numerous 

 small glands in the lips and oral cavity generally, and 

 are named according to their location. 



