A colorized scanning electron micrograph of a human egg, which is the huge cell colored yellow at the bottom of this image. The follicle cells that surround it (top) send out long projections that pen...

Colorized scanning electron micrograph showing two lung cancer cells. These cells were grown using cell culture techniques.

Colorized scanning electron micrograph of a lung cancer cell grown in culture.

Scanning electron micrograph of a 3T3 cell growing in culture. Complexity and diversity of structure across the cell surface is apparent in the this image that s courtesy of Susan Brown. Figure 48 fr...

Confocal image of synaptic connexions in the mouse olivo-cerebellar system. Purkinje cells (immunofluorescence, blue), olivary axons (anterograde tracing, yellow) and synaptic terminals (immunofluore...

Scanning electron micrograph showing in vitro fertilization of a hamster oocyte. The sperm head, near the center of the field of view, is engulfed by the microvilli on the surface of the oocyte membr...

Scanning electron micrograph showing a lateral view of sperm penetration of a hamster oocyte during vitro fertilization. As the membrane of the sperm head fuses with that of the oocyte, the microvill...

Primary bone marrow macrophages derived from mouse plated on a coverslip and imaged live. Phase contrast microscopy allows us to see the dense f-actin rich leading edge, ruffles, mitochondria, the nu...

Scanning electron micrograph of two human bone-forming cells (osteoblasts) crawling over crystals of the ceramic material,. monetite (CaHPO4). Monetite crystals are electrochemically deposited onto ti...

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...