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 which of the following, parallel and uniform spaced collagen present? 
Select and explain. 
A. Diapharagm, B. Cornea, C. Basement membrane, D. Tympanic membrane
B: Cornea
Answer: B: Cornea 
Explanation: Corneal stroma: a thick, transparent middle layer, consisting of regularly arranged collagen fibers along with sparsely distributed interconnected keratocytes Inderbir Singh&;s human Histology Seventh edition Pg 391