Colorized scanning electron micrograph of a cell cultured lung cancer cell. This image is part of an image group, CIL 42801-42803, showing several colorized scanning electron micrographs of cell cult...

Colorized scanning electron micrograph of a cell cultured lung cancer cell. This image is part of an image group, CIL 42801-42803, showing several colorized scanning electron micrographs of cell cult...

Phase contrast microscopy of living bone marrow derived macrophages. These cells are highly motile and the snapshot catches lamella and ruffles where the cells are protruding and phase dense organell...

Phase contrast microscopy of living bone marrow derived macrophages. These cells are highly motile and the snapshot catches lamella and ruffles where the cells are protruding and phase dense organell...

Phase contrast microscopy of living bone marrow derived macrophages. These cells are highly motile and the snapshot catches lamella and ruffles where the cells are protruding and phase dense organell...

Phase contrast microscopy of living bone marrow derived macrophages. These cells are highly motile and the snapshot catches lamella and ruffles where the cells are protruding and phase dense organell...

Phase contrast microscopy of living bone marrow derived macrophages. These cells are highly motile and the snapshot catches lamella and ruffles where the cells are protruding and phase dense organell...

Montage of 16 adjacent and overlapping fields of living bone marrow derived macrophages imaged by phase contrast light microscopy. These cells are highly motile. Cells can be viewed interacting over...

Phase contrast microscopy of living bone marrow derived macrophages. These cells are highly motile and the snapshot catches lamella and ruffles where the cells are protruding and phase dense organell...

Phase contrast microscopy of living bone marrow derived macrophages. These cells are highly motile and the snapshot catches lamella and ruffles where the cells are protruding and phase dense organell...