វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Metazoa
ENGLISH MEANING
noun
1.
(PLURAL)
Those
animals
in
which
the
protoplasmic
mass
,
constituting
the
egg
, is
converted
into
a
multitude
of
cells
,
which
are
metamorphosed
into
the
tissues
of the
body
. A
central
cavity
is
commonly
developed
, and the
cells
around
it are at
first
arranged
in two
layers
, -- the
ectoderm
and
endoderm
. The
group
comprises
nearly
all
animals
except
the
Protozoa
.