Multiple choice

Avascular structures are characterised by the lack of blood vessels. Which one of the following parts of the human eye is normally avascular?

  1. Cornea

  2. Pinna

  3. Retina

  4. Conjunctiva

  5. Iris

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

The iris is a highly vascularised organ which needs to contract and relax.