This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vitreous, Subject name: Ophthalmology
Tertiary vitreous is represented by- 
Select and explain. 
A. Zonular system, B. Ciliary body, C. Anterior uvea, D. Lens
A: Zonular system
Answer: A: Zonular system 
Explanation: Ans. is 'a' i.e., Zonular system 'Tertiary vitreous indicates the zonular system. The primary and secondary vitreous are stages in development of vitreous. However the tertiary vitreous i.e. the zonules are named so only because of their proximity to the vitreous'* The tertiary vitreous or the zonular system includes :# Orbiculoposterior fibers# Cilioequatorial fibers# Cilioposterior fibers# Orbiculoanterior fibers# Ciliovitreal fibers