- cavity, and
visceral pain
refers to pain
originating from
internal organs.
Aboral (opposite to oral) is used to
denote a
location along the gastrointestinal...
-
usually five arms,
though some
species have a
larger number of arms. The
aboral or
upper surface may be smooth,
granular or spiny, and is
covered with overlapping...
-
Encope emarginata (
aboral and oral faces) by
Ernst Haeckel (1904)...
- top; the
lower surface is
described as "oral" and the
upper surface as "
aboral".
Several sea urchins, however,
including the sand dollars, are oval in...
-
narrow branches of the
coelom enter each arm, two on the oral side and one
aborally, and pinnules. The
action of
cilia cause there to be a slow flow of fluid...
- on the
lower or oral surface, with a
corresponding **** on the
upper or
aboral surface;
though the **** is
absent in Paxillosida,
wherein the
mouth serves...
-
elongated at the axis of the vase-shaped body. In
solitary polyps, the
aboral (opposite to oral) end is
attached to the
substrate by
means of a disc-like...
-
Aboral surface of an
Asterias forbesi sea star
showing ring of
pedicellariae surrounding spine...
-
there are a row of
branched papillae,
forming a
figure of
eight around the
aboral tip. The sack-like body of the
Beroe species may be
cylindrical in cross...
- that
cnidarians evolved from
triploblastic ancestors.
Aboral end Oral end
Mouth Oral end
Aboral end
Exoderm Endoderm
Mesoglea Digestive
Cavity Most...
