In stratified squamous epithelium, the basal layer of cells are
Stratified squamous epithelium Superficial layer - squamous Middle layer - Cuboidal Basal layer - Columnar Only one layer is in contact with the basement membrane, remaining layers adhere to each other maintaining the integrity. Ref: IB Singh textbook of histology 6e pg 45.
Squamous
Cuboidal
Columnar
Cuboido columnar
General anatomy