This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
In stratified squamous epithelium, the basal layer of cells are 
Select and explain. 
A. Squamous, B. Cuboidal, C. Columnar, D. Cuboido columnar
D: Cuboido columnar
Answer: D: Cuboido columnar 
Explanation: 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.