3d
abscess
abstract
amoeba
artery
biology
blood
blood stream
bloodstream
brain
cell
conceptual
cyst
dangerous
epidemic
epidemiology
fetus
germ
health
host
illustration
infection
infectious
intercellular
intracellular
medical
medicine
microbe
microbiology
microorganism
organism
parasite
parasites
parasitic
pathogen
pathogenic
protozoa
protozoan
research
science
stage
tachyzoite
toxoplasma
toxoplasma gondii
toxoplasmosis
unicellular