abscess
abstract
amoeba
biology
brain
cell
conceptual
cyst
dangerous
epidemic
fetus
germ
health
illustration
infection
infectious
intercellular
medical
medicine
microbe
microbiology
microorganism
organism
parasite
parasites
parasitic
pathogen
pathogenic
protozoa
protozoan
research
science
stage
tachyzoite
toxoplasma
toxoplasma gondii
toxoplasmosis
unicellular