Artistic rendering of the surface of a human Dendritic Cell.

http://en.wikipedia.org/wiki/Dendritic_cell

Artistic rendering of the surface of a human dendritic cell illustrating the unexpected discovery of sheet-like processes that fold back onto the membrane surface. When exposed to HIV, these sheets entrap viruses in the vicinity and focus them to contact zones with T-cells targeted for infection. These studies were carried out using ion abrasion scanning electron microscopy, a new technology the NIH have been developing and applying for 3D cellular imaging. Source: National Cancer Institute (NCI) Sriram Subramaniam.