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What is Organism showing "Medusa head" appearance and "Bamboo stick" appearance in blood culture medium. What is the likely organism? and explain in detail?
(A) Bacillus anthracis# APPEARANCES OF THE COLONIES:# Bacteria Appearance> Staphylococci - Oil paint appearance (nutrient agar)> Pneumococci - Draughtmann/ carom coin appearance (blood agar)> Corynebacterium - Chinese letter or cuneiform arrangement> Bacillus anthracis Bamboo stick appearance Medusa head appearance (agar plates ) Inverted fir tree appearance (gelatin stab culture)> Cl. perfringens Stormy fermentation (litmus milk) Target haemolysis (rabbit, sheep, human blood agar)> Cl. tetani - Drum stick appearance> Vibrio cholarae - Fish in stream appearance> Yersinia pestis Safety pin appearance Stalactite growth> H. influenzae - Satellitism> H. ducreyi - School of fish Rail road track appearance> Bordetella pertussis Thumb print appearance Bisected pearls / mercury drops (Bordet-Gengou medium) Aluminium paint appearance> M. leprae - Cigar bundle appearance> Mycoplasma - Fried egg appearance