- 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...
-
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...
-
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...
-
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...
- urchins), on
which the tube feet are attached.
There is thus no "oral" or "
aboral" face as for sea
stars and
other echinoderms, but the
animal stands on one...
-
Aboral surface of an
Asterias forbesi sea star
showing ring of
pedicellariae surrounding spine...
- have no heads,
their ends are
described as "oral" (nearest the mouth) and "
aboral" (furthest from the mouth). Most have
fringes of
tentacles equipped with...