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.
Stem cell transplant is the term commonly used to describe bone marrow transplant and transplants done with stem cells found in the blood. Stem cell transplants offer some patients the possibility of a cure, and others a longer period of disease-free survival. Your body cannot make the blood cells it needs because your bone marrow or stem cells have failed. 2  Your bone marrow or blood cells have become diseased. 3  In this case you need healthy stem cells to replace the diseased bone marrow/stem cells.