amoeba: see ameba ameba or amoeba (both: əmē`bə)
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One-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
Amoeba [ə′mē·bə]
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amoeba
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Amoeba (magnified).
(credit: Russ Kinne/Photo Researchers)
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.
| 1. | (operating system) | Amoeba - A distributed operating system
developed by Andrew S. Tanenbaum and others of Vrije Universiteit, Amsterdam. Amoeba is only available under
licence from the VUA, but is free of charge and includes all
source, binaries and documentation. http://am.cs.vu.nl/. | |
| 2. | (computer, abuse) | Amoeba - A derogatory term for Commodore's Amiga personal computer. |
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