Chap. Ill] 



SUMMARY 



33 



Origin of tissues 



I Imprei 



gnation — Multiplica- 

 tion of cells — Blastoderm 



Entoderm 



(Epidermis. 

 NerVous 

 system. 

 Circulatory. 



system. 

 Urino-gcni- 



Mesoderm \ tal system. 

 I tion ot ceils — tsiastoderm ^yr , 



Connective 

 tissues. 



Respiratory 

 tract. 



Alimentary 

 tract. 



Liver, Pan- 

 creas. 



Epithelial — a tissue of cells and little intercellular substance. 



(Pavement or scaly. 

 Columnar. 

 Ciliated. 

 Transitional, consisting of 2 or 3 layers. 

 .Stratified, consisting of many layers. 



Protection. 

 Motion. 

 Absorption. 

 Secretion. 

 .Special sensation. 



Classification of 

 Epithelial 

 Tissue 



Function 



