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Medical Term:

surfactant

Pronunciation: sur-fak'tant

Definition:

  1. A surface-active agent, including substances commonly referred to as wetting agents, surface tension depressants, detergents, dispersing agents, emulsifiers, and quaternary ammonium antiseptics.
  2. Those surface-active agents forming a monomolecular layer over pulmonary alveolar surfaces; lipoproteins, lecithins, and sphingomyelins that stabilize alveolar volume by reducing surface tension and altering the relationship between surface tension and surface area.

[surface active agent]

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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