Home (Protozoa)
Home  
 
 
Home » Biology » Protozoa


 

Protozoa

Biology Proto-oncogeneProximal

Protozoan Parasites
Cryptosporidium parvum
The cysts of Cryptosporidium are of increasing importance because of their presence in water supplies.

 


Protozoa (in Greek proto = first and zoa = animals) are one-celled eukaryotes.

Protozoa
[Gr. protos - first, primary; Gr. zoon - animal]. The Subkingdom of the Kingdom Animalia, in older classification systems, ...

AND STILL MORE PROTOZOA
We couldn't fit all of the types of protozoa on one page, so here is part two. Protozoa might also be called protists. These are the bad boys of the microbe world (bad meaning "advanced").

Protozoan: A microscopic, single-celled organism that is largely aquatic and includes many parasitic forms.
Pupa, Pupae (pl.): The nonfeeding stage between the larva and adult in insects with complete metamorphosis.

protozoan pl. protozoa
A protist that lives primarily by ingesting food, an animal-like mode of nutrition.
provirus ...

Protozoan (plural, protozoa)
A protist that lives primarily by ingesting food, an animal-like mode of nutrition.
proximal
Pertaining to the region near the body.

protozoa - tiny animals; most feed on microorganisms
yeast - eukaryotic organisms larger than most bacteria, commonly divides by budding ...

protozoan Unicellular eukaryotic heterotrophs.
protozoans Animal-like protists; the various groups of unicellular and eukaryotic organisms that are mostly heterotrophic.
protozoologist A person who studies protozoa.

A protozoan parasite that causes vivax malaria (malaria, vivax). This species is found almost everywhere malaria is endemic and is the only one that has a range extending into the temperate regions.

the protozoans that cause malaria
the worms that cause schistosomiasis and filariasis
the virus that causes hepatitis B.

Foraminifera. Protozoan group, individuals of which usually secrete a calcareous test; both planktonic and benthic representatives
Founder principle. A small colonizing population is genetically unrepresentative of the source of population ...

Amoeba ... A protozoan of the genus Amoeba or related genera, occurring in water and soil ... An amoeba has no definite form and consists essentially of a mass ...
Full article
'"/
See more about: Amoeba ...

The single-celled protozoan ancestors of animals had their weight supported by water and were able to move by cilia or other simple organelles.

The system used by protozoa to help control the flow of water into the cell is:.
A.
tugor pressure against the cell wall.

fever produced by a protozoan (class Sporozoa); it was formerly thought to be caused by "bad" air
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby
...

Since then, our knowledge about a superfamily of similar proteins present in mammals, birds, fish, insects, plants and some protozoa has expanded, and their properties as potent peptidase inhibitors have been firmly established.

" The kingdom Protista is primarily made up of single-celled organisms including the protozoa. These include the amoebae, ciliates and flagellates.

Ciliates are complex, heterotrophic protozoans that lack cell walls and use multiple small cilia for locomotion. To increase strength of the cell boundary, ciliates have a pellicle, a sort of tougher membrane that still allows them to change shape.

Not only does this definition exclude prokaryotes, protozoa, and fungi, but it specifically includes a term "gradual process" which should not be part of the definition.

These scenarios represent only a few of the possible ways that microbes-the invisible bacteria, archaea, protozoa, and fungi that inhabit our environment, our bodies, our food and water, and even the air we breathe-can be harnessed to serve humankind.

For single-celled eukaryotes, cilia and flagella are essential for the locomotion of individual organisms. Protozoans belonging to the phylum Ciliophora are covered with cilia, ...

Malaria
Members of the protozoal species Plasmodium, which cause malaria, have evolved a successful relationship with their
Figure 5. The life cycle of the malaria parasite ...

Any organism too small to be seen by the naked eye, e.g. bacteria, viruses, protozoa, some fungi, and some algae.

a contagious infection of animals and birds by protozoa of the genera Eimena and Isospora, usually affecting the intestinal epithelium and causing enteritis ...

Conjugation in Protozoa is a two-way process, genetic material is passed between each conjugant.
Related Terms:
Prokaryote
Cell or organism lacking a membrane-bound, structurally discrete nucleus and other subcellular compartments.

Some of the unicellular protozoa contain no nuclei but granular particles which, like true nuclei, stain with basic dyes. The other constituents of the ovum, viz.

costa - longitudinal wing vein on an insect, usually forming the anterior margin. Also a prominent striated rod in some flagellate protozoa that courses from one of the kinetosomes along the cell surface beneath the recurrent flagellum and ...

Freshwater organisms live in a hypotonic solution and have a tendency to gain water. The contractile vacuole in freshwater protozoans removes water that enters the cell.

The union of two bacterial cells, during which chromosomal material is transferred from the donor to the recipient cell. Conjugation in Protozoa is a two-way process, genetic material is passed between each conjugant.

See also: Organ, Cells, Cell, Animal, Trans