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.
A Ophthalmology, answered on behalf of NorthShore University HealthSystem. In the advanced DSEK procedure, a much smaller incision is used than in a traditional cornea transplant. Only a very thin layer (approximately 100 microns) of donor cornea is inserted into the eye. After the new endothelial cells are unfolded in the eye, an air bubble is placed in the front part of the eye to push the new cells up against the dome-shaped cornea.