The form of a person or thing is its shape. To conform is to fit in with others in form, shape, or manner. Something formal, such as dinner, follows a specific custom or form. The format of something, such as a book, is its general shape and arrangement.
Amoeboid movement is the most common mode of locomotion in Eukaryotic cells. It is a crawling-like type of movement accomplished by protrusion of cytoplasm of the cell involving the formation of pseudopodia. The cytoplasm slides and forms a pseudopodium in front to move the cell forward. This type of movement has been linked to changes in action potential; the exact mechanism is still unknown.
The leukocytes, cells of the immune system, when involved by chemical substances (immune mediators) use amoeboid movements to get out from capillaries in regions of tissue damage to participate in the inflammatory process.