Princeton's WordNet(0.00 / 0 votes)Rate this definition: 1  mushroom(noun) common name for an edible agaric (contrasting with the inedible toadstool) 2  mushroom(noun) mushrooms and related fleshy fungi (including toadstools, puffballs, morels, coral fungi, etc.)
A cornea transplant is an operation used to remove all or part of a damaged cornea and replace it with healthy cornea tissue from the eye of a suitable donor. A cornea transplant is an operation used to remove all or part of a damaged cornea and replace it with healthy cornea tissue from the eye of a suitable donor.
Corneal Transplants. Corneal Transplants. Introduction. A corneal transplant is the process of removing all, or part of, a cloudy or abnormally shaped cornea and replacing it with a healthy donorâs cornea. The Lions Eye Bank harvests, prepares, and stores donor corneas for transplants.