Urea
Definition
A product of protein catabolism excreted primarily in urine, present at 200 to 400 mmol per litre. Also present at lower concentrations in sweat, so less specific to urine alone.
Related terms
- Creatinine
- A breakdown product of creatine phosphate in muscle. It is filtered by the kidneys and excreted in urine at relatively constant rates,...
- Dermcidin
- An antimicrobial peptide secreted constitutively by eccrine sweat glands. The primary candidate marker for immunological identification of sweat in forensic samples, though...
- Eccrine Glands
- The primary sweat glands distributed across most body surfaces, producing a watery secretion mainly of water, sodium chloride, and trace amounts of...
- RSID-Urine
- Rapid Stain Identification of Urine. An immunochromatographic lateral-flow assay that detects Tamm-Horsfall protein in biological extracts, providing a highly specific confirmatory test...
- Tamm-Horsfall Protein (Uromodulin)
- The most abundant protein in normal human urine, secreted exclusively by cells of the thick ascending limb of Henle's loop in the...
Explained in
- Urine and Sweat IdentificationA product of protein catabolism excreted primarily in urine, present at 200 to 400 mmol per litre. Also present at lower concentrations in sweat, so less speci...