endoplasm

…enclosing an inner mass, or endoplasm, of sol (a fluid containing suspended particles; i.e., a colloid). As a pseudopodium, part of the ectoplasmic gel is converted to sol, whereupon endoplasm begins flowing toward this area, the cell wall expands, and the pseudopodium is extended forward. When the endoplasm, which continues…

…granular layer of cytoplasm (the endoplasm) into the tip of a pseudopod, thus advancing the whole body of the organism. Actin and myosin microfilaments, adenosine triphosphate (ATP), calcium ions, and other factors are involved in various stages of this complex process.