Chronic persisting for a long time. Clinical trial a study of the effectiveness of a drug or treatment. CMV see cytomegalovirus. CNS central nervous system. Colony stimulating factor proteins that stimulate the production and growth of certain types of blood cells.
Conditioning see preparative regimen.
Conjunctivitis eye inflammation. Contracture shortening of muscle, skin and other soft tissue, usually in the limbs. Cryopreservation to preserve by freezing. Bone marrow harvested for an autologous BMT, for example, is cryopreserved. CSF see colony stimulating factor.