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microfilamentenUK
mi·cro·fil·a·ment M0273250 (mī′krō-fĭl′ə-mənt)n. Any of the actin-containing filaments that are found in the cytoplasm of eukaryotic cells and are involved in generating cell movement, providing structural support, and organizing internal cell components. Microfilaments, along with intermediate filaments and microtubules, make up a cell's cytoskeleton.
mi′cro·fil′a·men′tous (-mĕn′təs) adj.microfilament (ˌmaɪkrəʊˈfɪləmənt) n (Biochemistry) thin filament, composed of the protein actin and associated proteins, that occurs abundantly in muscle and in the cytoplasm of other cellsmi•cro•fil•a•ment (ˌmaɪ krəˈfɪl ə mənt)
n. a tubelike protein structure that is involved in cell movement and changes in cell shape. [1960–65] mi•cro•fil•a•men•tous (ˌmaɪ kroʊˌfɪl əˈmɛn təs) adj. microfilamentenUK
microfilament[¦mī·krō′fil·ə·mənt] (cell and molecular biology) One of the cytoplasmic fibrous structures, about 5 nanometers in diameter, virtually identical to actin; thought to be important in the processes of phagocytosis and pinocytosis. microfilamentenUK
microfilament [mi″kro-fil´ah-ment] any of the submicroscopic filaments, composed chiefly of actin, found in the cytoplasmic matrix of almost all cells, often in close association with the microtubules.mi·cro·fil·a·ment (mī'krō-fil'ă-ment), The finest filamentous element of the cytoskeleton, having a diameter of about 5 nm and consisting primarily of actin.
See also: actin filament. microfilament (mī′krō-fĭl′ə-mənt)n. Any of the actin-containing filaments that are found in the cytoplasm of eukaryotic cells and are involved in generating cell movement, providing structural support, and organizing internal cell components. Microfilaments, along with intermediate filaments and microtubules, make up a cell's cytoskeleton.
mi′cro·fil′a·men′tous (-mĕn′təs) adj.microfilament Any of a group of elongated, 5–7 nm in diameter, cytoplasmic fibres composed predominantly of actin, which form a cytoskeletal latticework.mi·cro·fil·a·ment (mī'krō-fil'ă-mĕnt) The finest filamentous element of the cytoskeleton, having a diameter of about 5 nm and consisting primarily of actin.
See also: actin filamentmicrofilament a fine, subcellular structure about 5–8 nm in diameter, composed of ACTIN or a similar protein and found in the cytoplasm of EUKARYOTE cells. Microfilaments are able to contract and are also involved in CYTOPLASMIC STREAMING and PHAGOCYTOSIS. |