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Eukaryotic flagella—those of animal, plant, and protist cells—are complex cellular projections that lash back and forth. Eukaryotic flagella are classed along with eukaryotic motile cilia as undulipodia [17] to emphasize their distinctive wavy appendage role in cellular function or motility. Primary cilia are immotile, and are not undulipodia.
Blebbing occurs in amoeboid cells when there is a roughly spherical protrusion in the cell membrane characterized by detachment from the actomyosin cortex. This mode of amoeboid movement requires that myosin II play a role in generating the hydrostatic pressure that causes the bleb to extend. [16] This is different from actin-driven locomotion ...
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 ...
A common example of this type of amoeboid cell is the macrophage. They are also essential to amoeboid-like locomotion. Human mesenchymal stem cells are a good example of this function: these migratory cells are responsible for in-utero remodeling; for example, in the formation of the trilaminar germ disc during gastrulation. [13]
The amoeboflagellate cell type has been acquired numerous independent times across the evolution of protists (i.e. primarily unicellular eukaryotes that are not plants, fungi or animals). [3] Some examples of protist phyla with amoeboflagellate body types are:
Amoebozoa is a major taxonomic group containing about 2,400 described species of amoeboid protists, [8] often possessing blunt, fingerlike, lobose pseudopods and tubular mitochondrial cristae. [ 7 ] [ 9 ] In traditional classification schemes, Amoebozoa is usually ranked as a phylum within either the kingdom Protista [ 10 ] or the kingdom ...
Related: The 26 Funniest NYT Connections Game Memes You'll Appreciate if You Do This Daily Word Puzzle. Hints About Today's NYT Connections Categories on Wednesday, January 8. 1. These words ...
The protist can exist in two different forms: flagellate and amoeboid. It is the only known species of cutosean amoebas having both forms, [8] as all other cutoseans are non-flagellated. [9] As a flagellate, it projects out a single flagellum of about 30 μm long from the basal body and lives as a free swimmer in water. [1]