A general term for any condition that impairs the normal functioning of an organism.
A term for a disease that is communicable or contagious and comes from outside the body. Compare with intrinsic.
A cell or group of cells that filters material from the blood, processes that material, and secretes it either for use again in the body or to be eliminated as waste.
A term for a disease that is not communicable or contagious and comes from inside the body. Compare with extrinsic.
Comment about this article, ask questions, or add new information about this topic: