19 January 2007
Vol 315, Issue 5810

About The Cover

Cover image expansion

COVER A motor neuron from the spinal cord of a turtle, stained with horseradish peroxidase. The elongated soma with an extended dendritic tree (>1 mm) receives unexpectedly balanced input from large groups of both inhibitory and excitatory interneurons. See page 390. Image: J. Hounsgaard and R. W. Berg