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Amoeba |
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amoeba: see ameba ameba or amoeba (both: əmē`bə) ..... Click the link for more information. . amoebaOne-celled protozoan that can form temporary extensions of cytoplasm (pseudopodia) in order to move about. Some amoebas are found on the bottom of freshwater streams and ponds. Others live in the human digestive system; one type causes amebic dysentery in humans. Each amoeba contains a small mass of jellylike cytoplasm with vacuoles and a nucleus. Food is taken in and material is excreted at any point on the cell surface. Amoebas are used extensively in cell research for determining the relative functions and interactions of the nucleus and the cytoplasm.amoeba (US), ameba any protozoan of the phylum Rhizopoda, esp any of the genus Amoeba, able to change shape because of the movements of cell processes (pseudopodia). They live in fresh water or soil or as parasites in man and animals Amoeba [ə′mē·bə] (invertebrate zoology) A genus of naked, rhizopod protozoans in the order Amoebida characterized by a thin pellicle and thick, irregular pseudopodia.
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| ? Mentioned in | ? References in periodicals archive | |
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From literature I've reviewed, there can be significant
differences between small-building cooling towers and large cooling
towers--at a power plant, for instance ("Pathogen Preference:
Infected amoebas flourish in cooling towers," SN: 8/26/06, p. But even though Perrotta is credited as the
screenplay's co-author, Little Children abandons Perrotta's
fascinating blend of sarcasm and sweetness and instead treats his
characters as though they are amoebas under a microscope being studied
with Olympian detachment by a particularly cold-eyed scientist. In some cosmic mix-up, a few
people have apparently acquired a DNA segment from amoebas and have
simply lost the urge to learn and explore. |
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