firmicutes caricature style with one finger gesture

arm bacilli bacillus bacteria bacteriologic bacteriological bacteriology bacterium cartoon causing character claw clostridia clostridiales clostridium cute emoticon emotion examination expression finger firmicutes funny germs gesture hand happy hook illustration light magnification mascot microbe microbiologic microbiological micrograph micrography microorganism photos plectridium pointing prokaryote sign smile smiling tetanospasmin touch transmission vector