pseudopodium (pl. pseudopodia) A temporary outgrowth of the cell of some protozoans (e.g. Amoeba), which serves as a feeding and locomotory organ. Pseudopodia may be blunt or threadlike, form a branching network, or be stiffened with an internal supporting rod. Phagocytic white blood cells also form pseudopodia to engulf invading bacteria. See amoeboid movement.
pseudopodium (s'yoo-doh-poh-diŭm) n. (pl. pseudopodia) a temporary and constantly changing extension of the body of an amoeba or an amoeboid cell. Pseudopodia engulf bacteria and other particles as food and are responsible for the movements of the cell.
pseudopodium In amoeboid cells, a protrusion, usually temporary, of the cell body, which functions in locomotion and in the ingestion of food particles. In slime moulds, an arm-like projection from the body, by which the organism creeps over the surface.
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