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bacillus anthracis bacterial colonies which had been allowed to grow on sheeps blood agar sba for a 24 hour period
salivary gland that had been extracted from a mosquito which was infected by the eastern equine encephalitis
photomicrograph reveals numbers of clostridium perfringens bacteria that had been grown in schaedlers broth
vibrio cholerae bacterial colonies had been cultivated on thiosulfate citrate bile sucrose agar medium
brucella abortus bacterial which had been cultivated on sheeps blood agar
gram positive clostridium tertium bacteria which had been cultivated on a blood agar plate
colony of clostridium sp gram positive bacteria which had been grown on a 4 percent blood agar plate
clostridium subterminale bacteria which had been cultivated on a blood agar plate
gram negative anaerobic borrelia burgdorferi bacteria which had been derived from a pure culture
ventral surface of a giardia muris trophozoite that had settled atop the mucosal surface of a rats intestine