nonprotein nitrogen

(redirected from rest nitrogen)
Also found in: Medical.

nonprotein nitrogen

[¦nän¦prō‚tēn ′nī·trə·jən]
(biochemistry)
The nitrogen fraction in the body tissues, excretions, and secretions, not precipitated by protein precipitants.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.