13 January 2004
Vol 2004, Issue 215

About The Cover

Cover image expansion

COVER This week features a Review that discusses calcium signaling between the mitochondria and the ER. The cover image, an electron micrograph of a PC12 cell, illustrates the juxtaposition of mitochondria and the ER that allows this signaling to take place. [Image: Prof. J. Meldoles, DIBIT, Milan, Italy]