-
attached to the
first segment of the head are
called primary antennae or
antennules. This pair is
generally uniramous, but is
biramous in
crabs and lobsters...
-
usually uniramous, the
exception being in the
class Malacostraca where the
antennules may be
generally biramous or even triramous. It is
unclear whether the...
-
groups these may be
reduced or missing. They are, from head to tail:
antennules antennae mandibles first maxillae second maxillae The head also bears...
- are
covered by a
chitinous carapace. The lobster's head
bears antennae,
antennules, mandibles, the
first and
second maxillae. The head also
bears the (usually...
- kentrogon. This has no
visible segmentation and no
appendages except the
antennules.
These are used to
attach the
larva to the host;
their only
purpose is...
-
United States Close-up of the head: the two eyes sit on eyestalks, with an
antennule on
either side of the
rostrum (center,
above the mouth)
Mature female...
-
various mouthparts and two
pairs of antennae. The
first antennae, or
antennules, are held on a long
flexible stalk, and are used for
sensing the environment...
-
detected using mechanoreceptors.
Crustaceans have
chemoreceptors on the
antennules. They can
sample chemical signals around them by
flicking their antennas...
-
anserine †anserculus ansercul-
gosling antenna antenn- antenna, antennal,
antennule ānus an- ring anal, annelid, Annelida, annular, annulate, annulation,...
-
potential surfaces with
modified antennules; once it has
found a
suitable spot, it
attaches head-first
using its
antennules and a
secreted glycoproteinous...
