pentamethonium bromide

pen·ta·me·tho·ni·um bromide

(pĕn′tə-mĕ-thō′nē-əm)
n.
A ganglionic blocking agent used as an antihypertensive.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.