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Clockwise from top right: Amoeba proteus, Actinophrys sol, Acanthamoeba sp., Nuclearia thermophila., Euglypha acanthophora, neutrophil ingesting bacteria. An amoeba (/ ə ˈ m iː b ə /; less commonly spelled ameba or amœba; pl.: amoebas (less commonly, amebas) or amoebae (amebae) / ə ˈ m iː b i /), [1] often called an amoeboid, is a type of cell or unicellular organism with the ability ...
Amoeba is a genus of single-celled amoeboids in the family Amoebidae. [2] The type species of the genus is Amoeba proteus , a common freshwater organism, widely studied in classrooms and laboratories.
Chaos is a genus of single-celled amoeboid organisms in the family Amoebidae.The largest and most-known species, the so-called "giant amoeba" (Chaos carolinensis), can reach lengths up to 5 mm, although most specimens fall between 1 and 3 mm. [3] [4] [5]
Upon germination, a sorocyst becomes an amoeba. The amoeba is limax-shaped and uninucleate. Their single pseudopodia consists of a clear hyaline cap, allowing the amoeba to move fast. The dimensions of the amoeba average to be 23 μm in length and 7 μm in width. Within the amoeba, the nucleus size is measured at 4 μm averagely with a central ...
500 μm – typical length of Amoeba proteus, an amoeboid protist; 500 μm – MEMS micro-engine [106] 500 μm – average length of a grain of sand; 500 μm – average length of a grain of salt; 500 μm – average length of a grain of sugar; 560 μm – thickness of the central area of a human cornea [26]
Amoeba proteus is a large species of amoeba closely related to another genus of giant amoebae, Chaos. As such, the species is sometimes given the alternative scientific name Chaos diffluens . [ 1 ] [ 2 ]
Gromia sphaerica, amoeba, 5 to 38 mm (0.2 to 1 in) [61] Thiomargarita magnifica is the largest bacterium, reaching a length of up to 20 mm; Epulopiscium fishelsoni, a bacterium; Stentor, ciliates nicknamed trumpet animalcules; Bursaria, largest colpodean ciliates.
Echinamoeba thermarum is an extremely thermophilic amoeba species discovered in various hot springs worldwide. It is notable for its ability to thrive at high temperatures, with an optimal growth temperature of 50°C (122°F).