Microbiology Organism showing “Medusa head” appearance and “Bamboo stick” appearance in blood culture medium. What is the likely organism? A Bacillus anthracis B Corynebacterium diphtheria C Clostridium perfringens D Vibrio cholerae 💡 Explanation Organism showing "Medusa head" appearance and "Bamboo stick" appearance in blood culture medium. What is the likely organism? ✓ Correct Answer: A. Bacillus anthracis