dexpanthenol

[dĕks-pănthə-nôl′, -nōl′]
n.
  1. A bitter, viscous liquid that is synthetically derived and used therapeutically as a cholinergic agent and as a supplemental source of pantothetic acid.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.