Contents. List of Contributors. Preface (B.R. Zetter). Directed Cell Migration in Embryonic Blood Vessel Assembly (T.J. Poole). Luekocyte Interactions with Endothelium and Extracellular Matrix: The Role of Selectins and CD44 (I. Stamenkovic). Oligosaccharide-Dependent Mechanisms of Luekocyte-Adhesion (J.B. Lowe). Cell Adhesion Molecules: Novel Therapeutic Targets for Chronic Inflammatory Diseases of the Central Nervous System (G.N. Dietsch, G.M. Peterman, and W.M. Gallatin). Molecular Mechanism of Targeting of Hemopoietic Stem Cells to the Bone Marrow After Intravenous Transplantation (M. Tavassoli). Tumor Cell Adhesion and Growth Properties in Organ Preference of Tumor Metastasis (G.L. Nicolson). Cancer Cell Chemotaxis: Mechanisms and Influence on Site-Specific Tumor Metastasis (F.W. Orr). Experimental Orthotopic Models of Organ-Specific Metastasis by Human Neoplasms (I.J. Fidler). Intercellular and Intracellular Targeting of Drugs (S. Cohen and R. Langer). Chimeric Molecules Constructed with Endogenous Substances (G.T. Lautenslager and L.L. Simpson). Organ-Specific Targeting of Synthetic and Natural Drug Carriers (S.M. Moghimi, L.Illum, and S.S. Davis. Index.