-
permit some
substances to p****
while blocking others.
Asconoid Syconoid Leuconoid Pinacocytes Choanocytes Mesohyl Water flow Most sponges...
- "collar cells") are
cells that line the
interior of asconoid,
syconoid and
leuconoid body
types of
sponges that
contain a
central flagellum, or cilium, surrounded...
- families,
ranging from
fully asconoid forms (Leucosoleniidae) to
fully leuconoid forms.
These body
plans are on a
continuum based on an
increasingly complex...
-
calcium carbonate,
either aragonite or calcite. They are
predominantly leuconoid in structure.
Their "skeletons" are made of ****ules
consisting of fibers...
-
Depending on the body plan of the
sponge (which can be asconoid, syconoid, or
leuconoid), the
spongocoel could be a
simple interior space of the
sponge or a complexly...
- and ****ules) are also
found in the
mesohyl layer. This
species has a
leuconoid body plan,
which is the most
complex construction a
sponge can have. This...
-
filter feeders. All
three sponge body
plans (asconoid, syconoid, and
leuconoid) can be
found within the
class Calcarea. Typically,
calcareous sponges...
-
Plukenet and can be
found in lakes,
ponds and slow streams.Spongilla have a
leuconoid body form with a
skeleton composed of
siliceous ****ules. They are sessile...
- the choanoderm.
Three grades of organization, asconoid, syconoid, and
leuconoid,
reflect the
degree of
elaboration of the
choanoderm layer and mesohyl...
-
Sponges pump
remarkable amounts of water. Leuconia, for example, is a
small leuconoid sponge about 10 cm tall and 1 cm in diameter. It is
estimated that water...
