Function Follows Form

View from the inside of a nerve cell. The synapse and the muscle cell are not pictured, but would be below the nerve cell’s cell membrane, at the bottom. In the frog NMJ (A), neurotransmitter-containing packets (vesicles) waiting to be dumped into the synapse are...

Testing the Footing

Microscope images of a cell trying to get a foothold on a soft (A) and hard (B) substrate. The cell puts out a lamellipodium that grips the hard substrate, but only tests the soft one. Testing the Footing XSEDE Resources Help Univ. of Chicago Team Simulate Cell...