- The
prostomium (From
Ancient Gr****,
meaning "before the mouth"; pl.: prostomia;
sometimes also
called the "acron") is the
cephalized first body segment...
-
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...
-
requiring various modifications to
their body structures. The head, or
prostomium, is
relatively well developed,
compared with
other annelids. It projects...
- 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...
- to move
Explosively evert pharynx into sediment,
anchor position with
prostomium and pull body forward.
Eversible pharynx also used in prey capture: 4...
- 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...
- the
anteriormost segments may be
specialised into the head
region and
prostomium,
which can
result in the
modification of
those parapodia, loss of chaetae...
- colour, with two
distinct dark
pigmented eyes on its
prostomium. The
anterior part of
prostomium has four
large and many
small bristles and
sensory cilia...
- The head
consists of two parts: a
roughly triangular anterior lobe—the
prostomium—and a
posterior ring-like portion—the peristomium. The
latter bears four...
