This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vitreous and retina, Subject name: Ophthalmology
Mucopolysaccharide hyaluronic acid is present in - 
Select and explain. 
A. Vitreous humor, B. Cornea, C. Blood vessels, D. Lens
A: Vitreous humor
Answer: A: Vitreous humor 
Explanation: The normal youthful vitreous gel is composed of a network of randomly-oriented collagenfibrils interspersed with numerous spheroidalmacromolecules of hyaluronic acid. Ref comprehensive ophthalamology AK Khurana 4th edition page no:243 .