- A
contractile vacuole (CV) is a sub-cellular
structure (organelle)
involved in osmoregulation. It is
found predominantly in protists,
including unicellular...
- of the cell.
Antonie van
Leeuwenhoek described the
plant vacuole in 1676.
Contractile vacuoles ("stars") were
first observed by
Spallanzani (1776) in protozoa...
-
tissue Contractile ring in
cytokinesis Contractile vacuole Muscle contraction Myocardial contractility See
contractile cell for an
overview of cell types...
-
discharged by exocytosis. Most
ciliates also have one or more
prominent contractile vacuoles,
which collect water and
expel it from the cell to
maintain osmotic...
-
typically have a
single contractile vacuole in a
fixed position;
naked amoebae have
numerous small vesicles that fuse into one
vacuole and then
split again...
-
Without a
contractile vacuole, the cell
would fill with
excess water and, eventually, burst.
Marine amoebae do not
usually possess a
contractile vacuole because...
- help of a membrane-bound
organelle called the
contractile vacuole.
Amoeba proteus has one
contractile vacuole which slowly fills with
water from the cytoplasm...
-
appear keystone- or pear-shaped. Each cell has two
flagella with two
contractile vacuoles at its base, an eyespot, and a
large cup-shaped
chloroplast with...
-
compared to more
typical gill-based ionoregulation.
Amoeba makes use of
contractile vacuoles to
collect excretory wastes, such as ammonia, from the intracellular...
-
carried in the
cytoplasm of the cell.
Osmoregulation is
carried out by
contractile vacuoles,
which actively expel water from the cell to
compensate for fluid...
