A river begins at a source (or more often several sources), follows a path called a course, and ends at a mouth or mouths. The water in a river is usually confined to a channel, made up of a stream bed between banks. In larger rivers there is often also a wider floodplain shaped by flood-waters over-topping the channel.
A 'computerized tomography' (CT) (or 'computerized axial tomography' (CAT) scan) uses a computer that takes data from several X-ray images of structures inside a human's or animal's body and converts them into pictures on a monitor.
Computed tomography (CT) scan (also known as a computed axial tomography scan, or CAT scan) is one of the most commonly used tools for the screening, diagnosis and treatment of cancer. A CT scan is an X-ray procedure that uses a computer to produce three-dimensional, cross-sectional images of inside the body.T scan for kidney cancer. A CT scan for kidney cancer uses X-ray images to present detailed images of the kidneys. 1  GE Discoveryâ¢ PET/CT 600 Scanner â This state-of-the-art four-dimensional CT scanner produces detailed cross-sectional X-ray images of structures within the body.