Issues

Cover picture: (Left) White skeletal muscle of adult zebrafish. Ultrastructure of chemically skinned muscle fibers. Relaxed myofibrils are surrounded by distended profiles of sarcoplasmic reticulum and Z-type triads only (arrows). (Right) Force transients of myofibrils isolated from adult zebrafish (dark gray) and from larvae (light gray) were induced by a fast solution change technique and recorded using atomic force microscopy (see article by Iorga et al., 255–270).