Cell Dynamics

Cytoplasmic Streaming.- Cytoplasmic Streaming Regulated by Adenine Nucleotides and Inorganic Phosphates in Characeae.- Apparent Viscosity of the Endoplasm of Characean Internodal Cells Measured by the Centrifuge Method.- Screw-mechanical Models Related to Cytoplasmic Streaming.- Inhibitory Effects of K+ and Cl? on Cytoplasmic Streaming in Characean Cells.- Cytoplasmic Streaming and Distribution of Actomyosin Fibrils in the Aphanoplasmodium of Stemonitis herbatica.- Motile Behaviour of Endoplasmic Drops Isolated from Nitella Cells.- Cell Movement—Contraction and Migration.- Patterns in Intracellular ATP Distribution and Rhythmic Contraction in Relation to Amoeboid Locomotion in the Plasmodium of Physarum polycephalum.- Morphology and Visco-Elastic Properties of Physarum Strands During the Steady-State of Their Contractile Behavior.- Pseudopodial Tension in Amphisorus hemiprichii, a Giant Red Sea Foraminifer.- Change of Cytosolic Ca-Ion Concentration in the Contraction and Relaxation Cycle of Physarum Microplasmodia.- Autooscillations in Physarum plasmodium I. Correlation Between Force Generation and Viscoelasticity During Rhythmical Contractions of Protoplasmic Strand.- Motile Activities in Polynuclear Products of Cell Fusion. I. Actin Rearrangements in Spreading on Glass Polycaryons Formed from Ehrlich Ascites Tumour Cells.- Cell and Organelle Division.- Relation of F-actin Organization to Microtubules in Drug Treated Haemanthus Mitosis.- Characterization of Monoclonal Antibodies Against the Mitotic Apparatus Associated 51-kD Protein and the Effect of the Microinjection on Cell Division in Sand Dollar Eggs.- Changes of the Chromosomal Spindle (Kinetochore) Fibers and the Behaviour of Bivalent Chromosomes in Grasshopper Spermatocytes After Irradiation of theKinetochores with an Ultraviolet Microbeam.- Division of Plastids by a Plastid-Dividing Ring in Cyanidium caldarium.- Phototaxis of Cell and Cell Organelle.- Multiple Photoreceptors in Phototaxis of Dictyostelium discoideum Amoebae.- Reorganization of Microtubule Bundles in Dichotomosiphon: Its Implications in the Light-induced Translocation of Cytoplasm.- Chloroplast Orientation in Mesotaenium: the Phytochrome Effect Is Strongly Potentiated by Interaction with Blue Light.- Differentially Adsorbed Vital Dyes Inhibit Chloroplast Movement in Mougeotia scalaris.- A Computerized Video System to Automatically Analyze Movements of Individual Cells and Its Application to the Study of Circadian Rhythms in Phototaxis and Motility in Chlamydomonas reinhardtii.- Index of Keywords.