A family of non-spore-producing, nonmotile, mostly facultatively anaerobic bacteria containing gram-positive, non-acid-fast, predominantly diphtheroid cells that tend to form branched filaments.
- armillaria root rot,
- arming chest,
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.