-
Scoliosis (pl.: scolioses) is a
condition in
which a person's
spine has an
irregular curve in the
coronal plane. The
curve is
usually S- or C-shaped over...
-
Segmentation in
biology is the
division of some
animal and
plant body
plans into a
linear series of
repetitive segments that may or may not be interconnected...
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mites are tiny, less than 1 mm (0.04 in) in length, and have a simple,
unsegmented body plan. The
small size of most
species makes them
easily overlooked;...
- appendage-bearing
segment had two
separate pairs of appendages: an upper,
unsegmented exite and a lower,
segmented endopod.
These would later fuse into a single...
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sipunculid worms or
peanut worms) is a
class containing about 162
species of
unsegmented marine annelid worms.
Sipuncula was once
considered a phylum, but was...
- with five
segments (unlike the
three found in Neodermaptera) as well as
unsegmented cerci. No
fossil Hemimeridae and
Arixeniidae are known.
Species in Hemimeridae...
-
Sipunculus nudus is a
cosmopolitan species of
unsegmented marine worm of the
class Sipuncula, also
known as
peanut worms. As in all
peanut worms, the...
- helminth-,
meaning "worm") is a
phylum of
relatively simple bilaterian,
unsegmented, soft-bodied
invertebrates commonly called flatworms or flat worms. Being...
- is difficult. The most
general characteristic of
molluscs is they are
unsegmented and
bilaterally symmetrical. The
following are
present in all modern...
-
invertebrate belonging to the
phylum Priapulida. It is a cylindrical,
unsegmented worm
which burrows in soft
sediment on the seabed. It has a cir****polar...
