| gadolinium | <chemistry> A supposed rare metallic element, with a characteristic spectrum, found associated with yttrium and other rare metals. Its individuality and properties have not yet been determined. Origin: NL. See Gadolinite. Source: Websters Dictionary (01 Mar 1998) |
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| gadolinium dtpa | <chemical> A complex of gadolinium with a chelating agent (diethylenetriamine penta-acetic acid (dtpa)) that is given to enhance the image in cranial and spinal mris. Pharmacological action: contrast media. (12 Dec 1998) |