Q. Cornea transplant in humans is almost never rejected. This is because
A) Its cells are least penetrable by bacteria
B) It has no blood supply
C) It is composed of enucleated cells
D) It is a non-living layer
Explanation
The cornea admits and helps to focus light waves as they enter the eye. It is avascular, $i.e.,$ has no blood supply, therefore, cornea transplant in human is almost nerve rejected.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.