最終更新日:2022/12/24
These flukes have three hosts. … As the infected snail crawls along it leaves slime balls containing cercaria on grass. An ant, Formica fusca, the arthropod host for D. dendriticum in the United States, is infected when it ingests the slime balls. Mammals are infected by consuming ants containing encysted metacercaria.
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元となった例文
These
flukes
have
three
hosts.
…
As
the
infected
snail
crawls
along
it
leaves
slime
balls
containing
cercaria
on
grass.
An
ant,
Formica
fusca,
the
arthropod
host
for
D.
dendriticum
in
the
United
States,
is
infected
when
it
ingests
the
slime
balls.
Mammals
are
infected
by
consuming
ants
containing
encysted
metacercaria.