Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
the process of removing and examining a small amount of tissue from a sick person, in order to discover more about their illness:
the removal of a small number of cells from a living body in order to examine them to learn if they show signs of a disease
Share your knowledge with the community
Browse our collection of 300,000+ community-written definitions
