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 (ns) [nan´o-sek″ond]
one billionth (10−9) of a second.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.


Abbreviation for normal saline.
Farlex Partner Medical Dictionary © Farlex 2012


A gene on chromosome 5q32 that encodes a multidomain serine protease inhibitor with 15 potential inhibitory domains, which may play a role in skin and hair morphogenesis and anti-inflammatory and/or antimicrobial protection of mucous epithelia.

Molecular pathology
SPINK5 mutations cause Netherton syndrome.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.