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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.
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protozoa
Book article from: A Dictionary of Biology
...terrestrial habitats; most protozoans are saprotrophs, but some...photosynthesis, like plants. Protozoan cells may be flexible or rigid...vacuoles occur in freshwater protozoans. Reproduction is usually...binary fission , but some protozoans undergo a form of sexual reproduction...
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mutualism
Book article from: A Dictionary of Biology
...association between termites and the specialized protozoans that inhabit their guts. The protozoans, unlike the termites, are able to digest...able to use wood as a foodstuff, while the protozoans are supplied with food and a suitable environment...
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Mesnil, Félix
Dictionary entry from: Complete Dictionary of Scientific Biography
...crustaceans, enteropneusts, turbellarians, Orthonectida, and protozoans. A great number of investigations were devoted to the annelid...the hematozoon of malaria), Mesnil examined the parasitic protozoans: gregarines, coccidia, Myxosporidia, Microsporidia, infusoria...
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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...
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Calkins, Gary Nathan
Dictionary entry from: Complete Dictionary of Scientific Biography
...of biology (1914), but he was best known as a student of protozoan life. He was the author of The Protozoa (1901), one of...the protozoa. He suggested, for example, redefining the protozoans to exclude chlorophyll-bearing flagellates, and his basic...
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Maupas, François Émile
Dictionary entry from: Complete Dictionary of Scientific Biography
...interest in natural science and, in particular, in free protozoans. He spent his vacations in Paris in order to work in the...was devoted entirely to sexuality and reproduction among the protozoans, rotifers, nematodes, and oligochaetes, which he studied...
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Orbigny, Alcide Charles Victor Dessalines D’
Dictionary entry from: Complete Dictionary of Scientific Biography
...phalopodes (1826). In Lamarck ’ s classification the protozoans were still grouped under the cephalopods. D ’ Orbigny...first perceived in 1835 by Dujardin, who discovered their protozoan nature and grouped them with the infusorians. Between 1834...
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Phytomastigophora
Book article from: A Dictionary of Plant Sciences
Phytomastigophora (subphylum Mastigophora) In protozoan classification, a class of flagellated, plant-like microscopic organisms which typically possess chloroplasts and are photosynthetic...
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Chitinodendron franconianum
Book article from: A Dictionary of Earth Sciences
Chitinodendron franconianum Single-celled organisms are known from Precambrian strata, but the first protozoans with an external skeleton appear in the Upper Cambrian . C. franconianum is a primitive allogrominid ‘foraminiferid...
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