វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Trematodea
ENGLISH MEANING
noun
1.
(PLURAL)
An
extensive
order
of
parasitic
worms
. They are
found
in the
internal
cavities
of
animals
belonging
to all
classes
.
Many
species
are
found
,
also
, on the
gills
and
skin
of
fishes
. A
few
species
are
parasitic
on
man
, and
some
, of
which
the
fluke
is the
most
important
, are
injurious
parasites
of
domestic
animals
. The
trematodes
usually
have a
flattened
body
covered
with a
chitinous
skin
, and are
furnished
with two or
more
suckers
for
adhesion
.
Most
of the
species
are
hermaphrodite
.
Called
also
Trematoda
, and
Trematoidea
.