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Topics related to "protozoan"

protozoan
protozoan , informal term for the unicellular heterotrophs of the kingdom Protista . Protozoans comprise a large, diverse assortment of microscopic or near-microscopic organisms that live as single cells or in simple colonies and that show no differentiation into tissues. Formerly classified in the... Read more
Protozoa
Protozoa formerly, the name of an animal phylum comprising a large, diverse assortment of microscopic or near-microscopic one-celled heterotrophic organisms ( protozoans ). The term "protozoan" (or the collective plural "protozoa" ) continues to be used informally; the organisms are now more... Read more
plasmodium
plasmodium name for a stage in the life cycle of a slime mold . Also, Plasmodium is the name given to the genus of the protozoan parasite that causes malaria . ... Read more
Sporozoa
Sporozoa , phylum of unicellular heterotrophic organisms of the kingdom Protista . Unlike most other protozoans , sporozoans have no cilia or flagella. All species are parasitic and have elaborate life cycles, often requiring more than one host. The best-known sporozoan is Plasmodium falciparum, ... Read more
Metazoa
Metazoa , subkingdom of the animal kingdom comprising the multicellular animals in the traditional two-kingdom system of taxonomic classification, in which living organisms were considered to be either plants or animals. Metazoa included all animals except the protozoans, formerly classified as in t... Read more
prostatitis
prostatitis , inflammation of the prostate gland . Acute prostatitis is usually a result of infection in the urinary tract or infection carried by the blood; in many cases the infection spreads from the urethra and is contracted through sexual transmission. Symptoms include fever, low back pain, an... Read more
trichomoniasis
trichomoniasis , sexually transmitted disease caused by the parasitic protozoan Trichomonas vaginalis. In women, it can cause urinary tract infection and a painful, malodorous vaginitis marked by a thin, foamy, irritating discharge. In men, it can infect the urethra and bladder. Most men have no... Read more
Ciliophora
Ciliophora , phylum in the kingdom Protista consisting of the ciliates, or ciliophores, complex freshwater or saltwater protozoans that swim by the coordinated beating of their cilia—short, hairlike structures that cover the cell surface. Like other protozoans, ciliates are unicellular het... Read more
Mastigophora
Mastigophora , phylum of unicellular heterotrophic protozoans of the kingdom Protista . Most of the approximately 1,500 species of Mastigophora are propelled by one or more flagella, and members of the group are sometimes referred to as flagellates. Some have pseudopodia, temporary armlike protrusi... Read more
cyclosis
cyclosis , streaming of cytoplasm within a living cell without deformation of the external cell membrane. In some plant cells there is a rapid rotatory cytoplasmic movement, which is limited to the peripheral parts of the cell next to the cell wall; chloroplasts and granules move in this stream. Thi... Read more

Encyclopedia entries related to "protozoan"

protozoan
Book article from: World Encyclopedia protozoan Any memeber of the phylum Protozoa, which comprises unicellular organisms found worldwide in marine or freshwater, free-living...
Leishmaniasis
Encyclopedia entry from: Gale Encyclopedia of Medicine, 3rd ed. ...by infection with an organism called a protozoan. Description Protozoa are considered...meaning that the infectious agent (the protozoan) is carried by the sandfly and passed on to other animals or humans in whom the protozoan will set up residence and cause disease...
Balantidiasis
Encyclopedia entry from: Gale Encyclopedia of Medicine, 3rd ed. ...a single-celled microorganism (protozoan) called Balantidium coli that infects...by Balantidium coli , a parasitic protozoan that infects the large intestine. B. coli is the largest and only protozoan, having cilia or hair-like structures...
Trichomoniasis
Encyclopedia entry from: Gale Encyclopedia of Medicine, 3rd ed. ...Description Trichomoniasis is caused by a protozoan (the smallest, single-celled members...who have multiple sexual partners. The protozoan is passed to an individual by contact...the trade names Flagyl and MetroGel. Protozoan — A one-celled organism belonging...
Giardiasis
Encyclopedia entry from: Complete Human Diseases and Conditions ...Umblia (je-AR-de-a LAM-bli-a) protozoan, which is a one-celled organism that...by a protective wall, the form of the protozoan during the resting stage of its life...bathroom and before eating. The Giardia protozoan can be filtered from water but is otherwise...
Dysentery
Encyclopedia entry from: The Gale Encyclopedia of Science ...dysentery or intestinal amebiasis is spread by a protozoan, Entamoeba histolytica . The protozoan occurs in an active form, that which infects...examination of the stool will reveal the active protozoan or its cysts. Special medicatio
Parasites
Encyclopedia entry from: The Gale Encyclopedia of Science ...vomiting, and weakness, is caused by a protozoan known as Entamoeba histolytica. Another protozoan that causes severe diarrhea, but is also...itself feeds on the host and passes the protozoan on through the bite wound. Some of the...
Antiprotozoal Drugs
Encyclopedia entry from: Gale Encyclopedia of Medicine, 3rd ed. ...caused by an ameba, which is a type of protozoan. Fetus — A developing baby...infected with Giardia lamblia , a type of protozoan. Inflammation — Pain, redness...lung infection caused by a parasitic protozoan. The disease mainly affects people with...
Sleeping Sickness
Encyclopedia entry from: The Gale Encyclopedia of Science ...Sickness Sleeping sickness, also known as trypanosomiasis, is a protozoan infection passed to humans through the bite of the tsetse...injected into rats to promote the development of blood-borne protozoan infection. This infection can be detected in blood smears...
Zoonoses
Encyclopedia entry from: The Gale Encyclopedia of Science ...example is aspergillosis, which is caused by Aspergillus fumigatus. Two protozoan zoonoses have emerged in accelerating numbers in the past two decades. One protozoan is called Giardia. The debilitating diarrhea that is commonly dubbed...

Dictionary entries related to "protozoan"

protozoan
Book article from: The Oxford Pocket Dictionary of Current English pro·to·zo·an / ˌprōtəˈzōən / • n. ( pl. -zo·a , -zo·ans ) any single-celled microscopic animal of the phylum Protozoa, including amebas and ciliates. • adj. of or relating to protozoa.
trichomoniasis
Book article from: A Dictionary of Nursing ...x103;-sis) n. 1. an infection of the digestive system by the protozoan Trichomonas hominis, causing dysentery. 2. an infection of the vagina due to the protozoan Trichomonas vaginalis, causing inflammation of genital tissues with...
Novy, Frederick George
Dictionary entry from: Complete Dictionary of Scientific Biography ...known for his extensive studies on trypanosomes and spirochetes, and he was apparently the first to cultivate a pathogenic protozoan (the trypanosome) in an artifical culture medium. Spirochaeta novyi . the organism that causes the American variety of...
Orbigny, Alcide Charles Victor Dessalines D’
Dictionary entry from: Complete Dictionary of Scientific Biography ...time, he did not grasp their true systematic position. This was first perceived in 1835 by Dujardin, who discovered their protozoan nature and grouped them with the infusorians. Between 1834 and 1847 d ’ Orbigny published in ten volumes the results...
sleeping sickness
Book article from: The Oxford Pocket Dictionary of Current English sleep·ing sick·ness • n. 1. a tropical disease caused by a parasitic protozoan (trypanosome) that is transmitted by the bite of the tsetse fly. It causes fever, chills, pain in the limbs, and anemia...
monad
Book article from: The Oxford Pocket Dictionary of Current English ...entity, such as an atom or a person. ∎  dated Biol. a single-celled organism, esp. a flagellate protozoan, or a single cell. DERIVATIVES: mo·nad·ic / mōˈnadik; mə- / adj...
flagellate
Book article from: The Oxford Pocket Dictionary of Current English ...el·late 2 / ˈflajələt; -ˌlāt / Zool. • n. a protozoan that has one or more flagella used for swimming. • adj. (of a cell or single-celled organism) bearing one...
cytostome
Book article from: A Dictionary of Zoology cytostome The fixed site in some protozoan cells (e.g. in Ciliatea ) at which food is ingested; the cell's ‘mouth’.
toxoplasmosis
Book article from: A Dictionary of Nursing toxoplasmosis (toks-oh-plaz- moh -sis) n. a disease of mammals and birds due to the protozoan Toxoplasma gondii, which may be transmitted to humans (usually by eating undercooked infected meat or by contact with cat faeces...
dysentery
Book article from: A Dictionary of Nursing ...of the intestinal tract causing severe diarrhoea with blood and mucus. amoebic d. ( amoebiasis ) dysentery caused by the protozoan Entamoeba histolytica. It is mainly confined to tropical and subtropical countries. bacillary d. dysentery caused by bacteria...

Related newspaper, magazine, and trade journal articles from HighBeam Research

New protozoan study findings have been published by W. Desouza and colleagues.
Newspaper article from: Science Letter; 8/18/2009; 700+ words ; ...structural organization of the pathogenic protozoan Toxoplasma gondii and its interaction...starting with the description of the protozoan by Splendore in 1908. The intracellular...researchers in Brazil report (see also Protozoan). "Later on, a pioneering method...
Impact of protozoan grazing on nitrification and the ammonia- and nitrite-oxidizing bacterial communities in activated sludge.(Report)
Magazine article from: Canadian Journal of Microbiology; 5/1/2007; ; 700+ words ; ...nutrients. In this study, the effect of protozoan grazing on nitrification rates under...presence and absence of cycloheximide (a protozoan inhibitor), allylthiourea (an inhibitor...and nitrate accumulation. Inhibiting protozoan grazing along with ammonia oxidation...
Studies conducted at University of Lisbon, Center for Environmental Biology on protozoan recently published.
Newspaper article from: Science Letter; 11/18/2008; 700+ words ; ...Pyxidium tardigradum (Ciliophora), a protozoan living on Eutardigrada: infestation...Research. "Pyxidium tardigradum is a protozoan that has been reported on a few occasions...Parasitology Research report (see also Protozoan). "The Portuguese population revealed...
Emerging protozoan pathogens.(Brief article)(Book review)
Magazine article from: SciTech Book News; 9/1/2008; 511 words ; 9780415428644 Emerging protozoan pathogens. Ed. by Naveed Ahmed Khan...result we know more not only about protozoan pathogens but also how to identify...include information on the particular protozoan's epidemiology, pathophysiology...
CD40-CD40L interaction in immunity against protozoan infections.(Clinical report)
Magazine article from: Journal of Biomedicine and Biotechnology; 1/1/2007; ; 700+ words ; ...Activation of the immune system against protozoan infections relies particularly on two...have been particularly investigated in protozoan infection models with regard to their...modulation of immune responses against some protozoan parasites and highlights recent developments...
British Inventor Discovers Protozoan Rhomboid Proteins
News Wire article from: US Fed News Service, Including US State News; 10/23/2007; 435 words ; ...Cambridge, Great Britain, has discovered protozoan (P) Rhomboid proteins. According...invention relates to the identification of protozoan Rhomboid proteins that are involved in the invasive processes of protozoan pathogens, such as P falciparum...
University Laval details research in protozoan.
Newspaper article from: Biotech Week; 1/21/2009; 700+ words ; ...transporter (FBT) gene family in the protozoan parasite Leishmania' have been presented. "The protozoan parasite Leishmania is a folic acid auxotroph...in Quebec, Canada report (see also Protozoan). "FT1 is part of the folate/biopterin...
New protozoan research from M. Robert et al outlined.
Newspaper article from: Life Science Weekly; 1/19/2010; 641 words ; ...Bonamia ostreae is an intracellular protozoan which is recognized as a cause of mortality...M. Robert and colleagues (see also Protozoan). The researchers concluded: "There...Molecular detection and quantification of the protozoan Bonamia ostreae in the flat oyster...
Study findings from International Center for Genetic Engineering and Biotechnology provide new insights into protozoan.
Newspaper article from: Biotech Week; 6/17/2009; 700+ words ; ...report, 'ProtVirDB: a database of protozoan virulent proteins,' is newly published...knowledgebase of virulent proteins belonging to protozoan species. The database will facilitate...in New Delhi, India report (see also Protozoan). The researchers concluded: "ProtVirDB...
Correlation between CD4 counts of HIV patients and enteric protozoan in different seasons - An experience of a tertiary care hospital in Varanasi (India).(Research article)(human immunodeficiency virus)(Clinical report)
Magazine article from: BMC Gastroenterology; 8/20/2008; ; 700+ words ; ...another [1]. Of these, opportunistic protozoan infections are the most serious ones...Uttar Pradesh, India. As most of the protozoan infections are treatable, it is important...variations in the occurrence of intestinal protozoan infections was also made as it holds...