This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
In which of the following, long spaced collagen present? 
Select and explain. 
A. Diaphragm, B. Cornea, C. Basement membrane, D. Tympanic membrane
B: Cornea
Answer: B: Cornea 
Explanation: Answer- B. Cornea'Long-spacing collagen is a common component of normal human corneal stroma and its occurrence seems to correlatewith the age-related changes of the tissue.Corneal transparency is mainly dependent on the arrangement of these collagen fibers in stroma.