27 November 2009
Vol 326, Issue 5957

About The Cover

Cover image expansion

COVER Liver cells possess a well-defined morphology and interact in time and space with their neighbors, with the extracellular matrix, and with the bloodstream. A special section starting on page 1205 describes some of the basic tenets of spatial cell biology. Image: Frank Geisler/Alamy (liver cells); (compass rose)