nucleus 



pavement epithelium 



cilia 



mucus 



cytoplosm 



nucleus 



qoblct cell 



basenoent membrane 



Columnar epithelium 



ciliated columnar epithelium 



[thyroid 



cuboidal epithelium 



cornified layer- 

 nucleus 



lumen of tubule 



bosemsnt membrane 



Fig. 4-2. Epithelial tissue. 



Stratified epithelium 



