agar
air
allergy
aspergillus
asthma
background
bacteria
bacteriology
brown
coccus
colonies
colony
different
environment
environmental
epidermidis
fungi
green
growth
indoor
luteus
medium
micro
microbe
microbiology
micrococcus
microorganism
microscope
microscopic
microworld
mold
morphology
nutrient
orange
pathogen
pathogenic
penicillium
petri dish
plate
shape
smear
spherical
staphylococcus
surface
tryptic soy
tsa
white
world
yellow