バシラ
allergens
ameba
amoeba
antibacterial
axenic
bacillus
bacteria
bacterial
bacterium
biology
bloodsucker
button
cell
creature
deadbeat
disease
epidemic
fillip
germ
goad
icon
idler
immune
infection
infectious
long shadow
longshadow
microbe
microbiology
microorganism
microscopic
organism
parasite
pathogen
pest
provocative
red
rounded
square
stirrer
sucker
symbol
virus