Hyperammonemia definitions

Hyperammonemia

Hyperammonemia (or hyperammonaemia) is a metabolic disturbance characterised by an excess of ammonia in the blood. It is a dangerous condition that may lead to encephalopathy and death. It may be primary or secondary. Ammonia is a substance that contains nitrogen. It is a product of the catabolism of protein. It is converted to the less toxic subs...
Found on http://en.wikipedia.org/wiki/Hyperammonemia

hyperammonemia

(hi″pәr-am″o-ne´me-ә) elevated levels of ammonia or its compounds in the blood. A congenital form occurs in two types: Type 1, due to deficiency of the enzyme ornithine carbamoyltransferase, is marked by vomiting, lethargy, coma, and enlargement of the liver; symptoms become worse when the indivi...
Found on http://www.encyclo.co.uk/local/21001