SECTIONING 



281 



has cNuporated. (Jood results arc ohtaliied from badly wrinkled 

 sections hy this method. 



In all three cases, the slides should be set aside in a dry place 

 until all the water has evaporated l)efore staining; usually this 

 should be al)out twent\-four hours. 



Submaxillary Gland - Cat 

 Longitudinal Section 

 Series A-11 

 Bouin 3/30/24 H. & E. 



Fig. 167. — -Diagram of a iircparation of serial sections. 



Serial Sections. After becoming proficient in cutting sections, 

 the student may wish to cut an entire organ into sections and mount 

 these in order. When finally ])repared one can study the micro- 

 anatomy of the organ from one end to the other. Usually trans- 

 verse or longitudinal sections are made. If there is a right and left 

 gland, cross-sections can be made from one and longitudinal from 

 the other. The attempt should l)e given up if the tissue does not 

 section well. We will suppose that it has been possible to make 



