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).
a way of treating a medical condition that involves a period of waiting and watching for further symptoms (= signs of disease) to develop, rather than immediate treatment such as surgery or chemotherapy :
Share your knowledge with the community
Browse our collection of 300,000+ community-written definitions
