-
Chitin (C8H13O5N)n (/ˈkaɪtɪn/ KY-tin) is a long-chain
polymer of N-acetylglucosamine, an
amide derivative of glucose.
Chitin is the
second most abundant...
- but was
covered in
hollow chitinous spines.
These sclerites provide a
stepping stone between the
solid chaetae-like
chitinous sclerites of
Wiwaxia and...
- They are the
largest group within the
arthropod phylum.
Insects have a
chitinous exoskeleton, a three-part body (head,
thorax and abdomen),
three pairs...
-
molluscs have
muscular mouths with radulae, "tongues",
bearing many rows of
chitinous teeth,
which are
replaced from the rear as they wear out. The
radula primarily...
-
mineralized during life, such as the
bones and
teeth of vertebrates, or the
chitinous or
calcareous exoskeletons of invertebrates.
Fossils may also consist...
- for feeding,
sometimes compared to a tongue. It is a
minutely toothed,
chitinous ribbon,
which is
typically used for s****ing or
cutting food
before the...
-
epidermis which surrounds a
gastrovascular cavity. The
epidermis secretes a
chitinous skeleton which supports the stem and in some hydroids, the
skeleton extends...
-
stone or grit. In
certain insects and molluscs, the
gizzard features chitinous plates or teeth. The word
gizzard comes from the
Middle English giser...
- ability, and the
manifestation of
abnormal skin
growths and
retractable chitinous spurs.
Tully is
cornered by Spider, but is
unable to
provide the formula...
-
carbonate (CaCO3),
which fossilized far more
easily than the
fragile chitinous exoskeletons of
other arthropods,
leaving numerous preserved remains....
