These problems are less common than other causes for heart failure, but it is important to monitor heart function in people who have: 1  Anemia â It is the job of the red blood cells to carry oxygen needed to maintain life in the body's cells.
From Wikipedia, the free encyclopedia. A retrovirus is any virus which copies itself as part of the cell's DNA by reverse transcribing its RNA. Since the cell cannot proofread the step in which RNA is converted back to DNA, errors often go unnoticed.This makes the exact sequence of a retrovirus's RNA change often.rom Wikipedia, the free encyclopedia. A retrovirus is any virus which copies itself as part of the cell's DNA by reverse transcribing its RNA. Since the cell cannot proofread the step in which RNA is converted back to DNA, errors often go unnoticed. This makes the exact sequence of a retrovirus's RNA change often.
Medical Definition of PROVIRUS. : a form of a virus that is integrated into the genetic material of a host cell and by replicating with it can be transmitted from one cell generation to the next without causing lysis.â proÂ·viÂ·ral \-rÉl\ adjective. ADVERTISEMENT. a form of a virus that is integrated into the genetic material of a host cell and by replicating with it can be transmitted from one cell generation to the next without causing lysis. Next Word in the Dictionary: provision (noun) Previous Word in the Dictionary: proving ring All Words Near: provirus.