This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epithelial tissue, Subject name: Anatomy
Mucos membrane of vagina is lined by 
Select and explain. 
A. Nonkeratinized Stratified Squamous epithelium, B. Keratinized Stratified Squamous epithelium, C. Columnar cells, D. Cuboidal epithelium
A: Nonkeratinized Stratified Squamous epithelium
Answer: A: Nonkeratinized Stratified Squamous epithelium 
Explanation: VAGINA HISTOLOGY Mucos membrane lining: Nonkeratinized Stratified Squamous epithelium Lamina propria: Loose connective tissue Muscle coat Fibrous coat: Connective tissue There are NO GLANDS in vaginal mucosa Vaginal fluid in acidic: Due to glycogen-fermentation by Doderlein's bacilli