anatomical
anatomy
animal
background
biology
brain
cirrus
common
fasciola
fasciola hepatica
fauna
female
flat
flatworm
fluke
helminth
human
icon
illustration
internal
invertebrate
isolated
liver fluke
male
medical
medicine
ootype
organ
ovary
parasite
parasitic
part
pest
physiology
reproductive
reproductive system
scheme
science
set
sheep liver fluke
structure
system
testes
trematoda
trematode
uterus
white
worm
zoology