Citologia Cervicale
Anatomy, physiology and histology of the cervix
 
HISTOLOGICAL SECTION TO ILLUSTRATE  IMMATURE SQUAMOUS METAPLASTIC EPITHELIUM IN THE CERVIX: Note the tendency of the reserve cells to stratify with a corresponding increase in the amount and density of the cytoplasm. The  original columnar epithelium appears as a distinct layer on the surface of the immature metaplastic  epithelium.