At the end of the body (opposite to the adoral zone).
Near the mouth (oral zone).
Part of the cell in the direction of normal movement (usually the front half of the cell) - opposite to posterior .
The most anterior region of a cell.
Long, thin, unbranched pseudopodia.
Deep oral cavity (mouth) containing compound ciliary organelles such as membranelles.
Short, hair-like, motile extensions of protozoan cell (in Ciliates ).
Transverse groove in Dinoflagellates (girdle ).
Stiff, motile structure consisted of groups of cilia fused together. Can function as 'legs' on ciliates.
Loosely arranged pharyngeal rods of the expansive mouth.
Basket-like structure formed of trichites (cytopharyngeal basket), usually curved.
Cell mouth (the oral cavity), the region where food is taken in and food vacuoles are formed.
Nonciliated tubular channel leading from the cytostome into the cytoplasm (syn. gullet ).
Side of the protozoan cell opposite to ventral .
Part of a Dinoflagellate cell forward of a girdle .
Cytoplasmic filaments that hold together the body of the testate amoeba and the test.
Epicone of armored Dinoflagellates .
Membrane-bound structures which can discharge their contents outside the cell.
Pseudopodia that is very thin and slender and may branch, but don't rejoin (don't form a mesh).
Long extensions of protozoan cell used in locomotion (in Flagellates ).
Transverse groove in Dinoflagellates (cingulum ).
Nonciliated tubular channel leading from the cytostome into the cytoplasm.
Rows of cilia.
Blunt pseudopodia that can be tubular, and are composed of both ectoplasm and endoplasm.
Protective, loose, external cell case.
Short, transverse rows of cilia , fused together to form a compound ciliary organelle.
Extrusomes which can discharge a mucous mass (e.g. used in cyst formation).
Contractile element of the cytoplasm, for example a thread inside the stalk of sessile peritrich
The cover of the aperature of a protozoan cell (lid, covering flap).
Posterior daughter cell in an asexually dividing ciliate.
Outer surface of a protozoan cell.
Region about the cytostome, usually ciliated to aid in feeding.
The part of the cell away from the direction of normal movement (opposite to anterior ).
Anterior daughter cell in an asexually dividing ciliate (parental cell).
Elongate cytoplasmic extensions that may participate in locomotion and feeding.
Long, branched pseudopodia that can form a very fine network (in Foraminiferans ).
Basket-like structure formed of trichites (cytopharyngeal basket), usually straight.
Posterior extension of a girdle in Dinoflagellates .
Free swimming, stalkless stage of peritrich protozoans.
Tubular, hollow, retractable extension of body of suctorian ciliates, used for feeding.
Protozoan 'shell' - covering about the body.
Rod-like elements used to support the cytopharynx.
Extrusomes which can discharge a fibrous rod when mechanically or chemically stimulated.
Feeding stage of an apostome ciliate.
Cilli or flagella .
A membrane formed by fused rows of cillia.
Distinct, posterior end of amoeba.
Side of protozoan cell associated with oral structures (opposite to dorsal ).
A bodily cavity leading to another cavity.
An individual in a colonial animal, for example a single stalked, sessile form of peritrich protozoans.
At the end of the body (opposite to the adoral zone).
Near the mouth (oral zone).
Part of the cell in the direction of normal movement (usually the front half of the cell) - opposite to posterior .
The most anterior region of a cell.
Long, thin, unbranched pseudopodia.
Deep oral cavity (mouth) containing compound ciliary organelles such as membranelles.
Short, hair-like, motile extensions of protozoan cell (in Ciliates ).
Transverse groove in Dinoflagellates (girdle ).
Stiff, motile structure consisted of groups of cilia fused together. Can function as 'legs' on ciliates.
Loosely arranged pharyngeal rods of the expansive mouth.
Basket-like structure formed of trichites (cytopharyngeal basket), usually curved.
Cell mouth (the oral cavity), the region where food is taken in and food vacuoles are formed.
Nonciliated tubular channel leading from the cytostome into the cytoplasm (syn. gullet ).
Side of the protozoan cell opposite to ventral .
Part of a Dinoflagellate cell forward of a girdle .
Cytoplasmic filaments that hold together the body of the testate amoeba and the test.
Epicone of armored Dinoflagellates .
Membrane-bound structures which can discharge their contents outside the cell.
Pseudopodia that is very thin and slender and may branch, but don't rejoin (don't form a mesh).
Long extensions of protozoan cell used in locomotion (in Flagellates ).
Transverse groove in Dinoflagellates (cingulum ).
Nonciliated tubular channel leading from the cytostome into the cytoplasm.
Rows of cilia.
Blunt pseudopodia that can be tubular, and are composed of both ectoplasm and endoplasm.
Protective, loose, external cell case.
Short, transverse rows of cilia , fused together to form a compound ciliary organelle.
Extrusomes which can discharge a mucous mass (e.g. used in cyst formation).
Contractile element of the cytoplasm, for example a thread inside the stalk of sessile peritrich
The cover of the aperature of a protozoan cell (lid, covering flap).
Posterior daughter cell in an asexually dividing ciliate.
Outer surface of a protozoan cell.
Region about the cytostome, usually ciliated to aid in feeding.
The part of the cell away from the direction of normal movement (opposite to anterior ).
Anterior daughter cell in an asexually dividing ciliate (parental cell).
Elongate cytoplasmic extensions that may participate in locomotion and feeding.
Long, branched pseudopodia that can form a very fine network (in Foraminiferans ).
Basket-like structure formed of trichites (cytopharyngeal basket), usually straight.
Posterior extension of a girdle in Dinoflagellates .
Free swimming, stalkless stage of peritrich protozoans.
Tubular, hollow, retractable extension of body of suctorian ciliates, used for feeding.
Protozoan 'shell' - covering about the body.
Rod-like elements used to support the cytopharynx.
Extrusomes which can discharge a fibrous rod when mechanically or chemically stimulated.
Feeding stage of an apostome ciliate.
Cilli or flagella .
A membrane formed by fused rows of cillia.
Distinct, posterior end of amoeba.
Side of protozoan cell associated with oral structures (opposite to dorsal ).
A bodily cavity leading to another cavity.
An individual in a colonial animal, for example a single stalked, sessile form of peritrich protozoans.
• Taxonomy (ITIS)
• Taxonomy (NCBI)
• Length: 60 - 100 m m (without a stalk)
• Description:
Vorticella is a sessile, peritrich ciliate. Disturbed contracts and
myoneme
becomes spring-like. The stalk is not branched. Often forms clusters, but not colonies.
• Similar genera:
Carchesium
• Pictures:
Vorticella transforming into a
telotroch :
Vorticella dividing:
• Links:
Vorticella sp.
Origin: Tillman Road Wildlife Refuge, Clarence NY, June 2006
25x, 0.60 N.A., brightfield
