-
Rhopalia (singular: rhopalium) from
Ancient Gr**** ῥόπαλον (rhópalon) 'club' are
small sensory structures of
certain Scyphozoan (true jellyfish) and Cubozoan...
-
Rhopalia is a
genus of
flies in the
family Mydidae.
Rhopalia annulata Sack, 1934
Rhopalia bequaerti Lyneborg, 1970
Rhopalia berlandi Séguy, 1949 Rhopalia...
- Species:
Rhopalias coronatus Rhopalias macracanthus Rhopalias oochi López-Caballero, Mata-López & Pérez-Ponce de León, 2019 "
Rhopalias Stiles & H****all, 1898"...
- box
jellyfish have six eyes on each of
their four
rhopalia,
creating a
total of 24 eyes. The
rhopalia also
feature a
heavy crystal-like
structure called...
-
niches between the
lappets are
dangling rudimentary sense organs known as
rhopalia, and the
margin of the bell
often bears tentacles. On the
underside of...
- The
number of
rhopalia can vary, with the
original description noting there were
instances of
specimens having 18 and 22. The
rhopalia are equidistant...
- the
nerve cells are
instead concentrated into
small structures called rhopalia.
There are
between four and
sixteen of
these small lobes arranged around...
- by a
decentralized nerve net and
simple receptors.
Cnidarians also have
rhopalia,
which are
involved in
gravity sensing and
sometimes chemoreception. Several...
-
known as
lappets and in the
niches between these,
there are
usually eight rhopalia (sensory organs).
Sometimes there are also
hollow marginal tentacles. The...
- relocate. They are able to
sense light and dark and up and down due to
rhopalia around the bell margin.
After many
tests on frogs, it was
determined that...
