44 NORMAL HISTOLOGY. 



general characters of the cells entering into the structure of the 

 tissue ? (2) What kind of intercellular substances separates those 

 cells ? (3) How are the cells arranged with reference to each other 

 and the intercellular substances ? Correct answers to these three 

 questions will enable him to quickly determine the nature of the 

 tissue he is observing, even if it should vary considerably in struct- 

 ural details from examples of the same tissue with which he has 

 already become familiar. 



