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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 ...
The sorocysts themselves can be different shapes including oblong, ovoid, and angular, and they produce only one monopodial amoeba. They are smooth-walled hyaline and uninucleated as well, averaging 8–13 μm in size. [6] Upon germination, a sorocyst becomes an amoeba. The amoeba is limax-shaped and uninucleate.
Sappinia pedata is a free living amoeboid organism, first described by Pierre Augustin Dangeard in 1896. It belongs to the genus Sappinia within the Thecamoebida clade of Amoebozoa and is characterized by its unique monopodial locomotion and cell surface morphology.
For years, scientists have known people who use neti pots can become infected with a brain-eating amoeba if they use the wrong kind of water. On Wednesday, researchers linked a second kind of ...
During rapid locomotion, P. dubium may become monopodial (present only one pseudopod), [6] but there are an average of 12 pseudopodia. [7] Polychaos dubium has one of the largest genomes known for any organism, consisting of 670 billion base pairs or 670 Gbp, [4] which is over 200 times larger than the human genome (3.2 Gbp). The authors of one ...
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).
An amoeba of the genus Mayorella (Amoebozoa, Discosea) Amoebozoa is a large and diverse group, but certain features are common to many of its members. The amoebozoan cell is typically divided into a granular central mass, called endoplasm, and a clear outer layer, called ectoplasm. During locomotion, the endoplasm flows forwards and the ...
The most important genera are Amoeba and Chaos, which are set apart from the others by longitudinal ridges. The best known of the species in this family is Amoeba proteus , commonly used in classrooms to demonstrate movement by pseudopodia.