Medusa head appearance is a feature of
Correct Answer: Bacillus anthracis
Description: Bacillus anthracis:When grown on blood agar plates, the organisms produce nonhemolytic gray to white, tenacious colonies with a rough texture and a ground-glass appearance. Comma-shaped outgrowths (Medusa head, "curled hair") may project from the colony.Reference: Jawetz, Melnick, & Adelberg's Medical Microbiology; 27th edition; Chapter 11; Spore-Forming Gram-Positive Bacilli: Bacillus and Clostridium Species
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