Lexic.us

2. Noun. Near-Online Storage ¹

3. Noun. Network Operating System ¹

4. Noun. New Old Stock ¹

5. Noun. Nitrous Oxide ¹

6. Noun. (plural of no) ¹

¹ Source: wiktionary.com

Definition of NOS

1. no [n] - See also: no

Medical Definition of NOS

1. An enzyme that catalyses the conversion of l-arginine, NADPH, and oxygen to citrulline, nitric oxide, and NADP+. The enzyme found in brain, but not that induced in lung or liver by endotoxin, requires calcium.There are two isoforms, one constitutive and one activated by calmodulin. Chemical name: L-Arginine,NADPH:oxygen oxidoreductase (nitric-oxide-forming) Registry number: EC 1.14.13.39 Acronym: NOS (12 Dec 1998)

Lexicographical Neighbors of NOS

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