- 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...
- "little cushion."
Porania pulvillus is up to 12 cm (4.7 in) in diameter. The
aboral surface (top) is
usually bright red but may be purple,
orange or yellow...
-
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...
-
Aspidiscus cristatus from the
Cenomanian (Upper Cretaceous) of
southern Israel;
aboral view....
-
Aboral surface of an
Asterias forbesi sea star
showing ring of
pedicellariae surrounding spine...
- of many
species is
almost radially symmetrical, the main axis is oral to
aboral (from the
mouth to the
opposite end). However,
since only two of the canals...
- that
cnidarians evolved from
triploblastic ancestors.
Aboral end Oral end
Mouth Oral end
Aboral end
Exoderm Endoderm
Mesoglea Digestive
Cavity Most...