- The
prostomium (From
Ancient Gr****,
meaning "before the mouth"; pl.: prostomia;
sometimes also
called the "acron") is the
cephalized first body segment...
- able to be
distinguished from
other Eulagisca and
scale worms. On the
prostomium,
there are
three antennae used for mechanosensory. They also have two...
- the
class Polychaeta. They are
filter feeders with no
buccal organ. The
prostomium is
fused with the
peristomium and
bears a ring of
feathery feeding tentacles...
-
directly behind the
prostomium and
contains the mouth,
tentacular cirri, and
sometimes feeding palps,
which may
instead occur on the
prostomium. If an eversible...
-
generally in the
prostomium,
while those of ****ellates are in the
peristomium or
sometimes the
first segment behind the
prostomium. In some very mobile...
- and
fringe of sharp,
pointed papillae along their margin. Wide,
ovular prostomium with the
median antenna with a
large ceratop**** in an
anterior notch...
-
requiring various modifications to
their body structures. The head, or
prostomium, is
relatively well developed,
compared with
other annelids. It projects...
- 42–45;
elytra 15 pairs.
Prostomium anterior margin comprising two
rounded lobes.
Lateral antennae inserted ventrally (beneath
prostomium and
median antenna)...
- Violet-coloured
prostomium.
Anterior margin of
prostomium with an
acute anterior projection.
Lateral antennae inserted ventrally (beneath
prostomium and median...
- earthworm's
mouth and,
overhanging the mouth, a
fleshy lobe
called the
prostomium,
which seals the
entrance when the worm is at rest, but is also used to...
