amphotericin B

[ ăm′fə-tĕrĭ-sĭn ]

n.

An antibiotic derived from strains of the actinomycete Streptomyces nodosus and used in treating systemic fungal infections.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.