International Review of Cytology presents current advances and comprehensive reviews in cell biology—both plant and animal. Articles included in this volume address such topics as genetic regulation of preimplantation embryo survival, photoreceptor and second-order cell mosaics in the retina of Xenopus, basement membrane and B-amyloid fibrillogenesis in Alzheimer's disease, regulation of microtubule-associated proteins, and dynein motors of the chlamydomonas flagellum. Authored by some of the foremost scientists in the field, each volume provides up-to-date information and directions for future research.