Living Related Donor refers to a relative that has been tested for organ and blood compatibility. Typically, if a person is in need of a kidney, parents, siblings, and other close blood relatives are tested for their potential suitability as a kidney donor. In most cases, humans only need one healthy kidney to live. O - S Ophthalmologist A physician who specializes in treating eye disorders. In relation to PHI, the ophthalmologist may notice crystals forming in the back of the eye during an eye examination.
Orphan disease is a rare disease.
Typically, orphan diseases are not well known and are not the subject for extensive research. Oxalate is a very hard substance formed in the body as a waste product. Oxalate is the calcium salt of oxalic acid, a crystalline substance. Oxalate combines with calcium to form calcium oxalate stones. Oxalosis Oxalosis is the excessive accumulation of oxalate in the body.