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.