Front Cover; International Review of Cytology: A Survey of Cell Biology; Copyright Page; Contents; Chapter 1. Prolactins of Pregnancy and Their Cellular Source; I. Introduction; II. Placental Lactogens; III. Decidual Prolactin; IV. Decidual Luteotropin; V. Other PRL-Like Molecules of the Placenta; References; Chapter 2. Membrane Oligosaccharides: Structure and Function during Differentiation; I. Introduction; II. The Aging Cell Surface; III. Developmental Phenomena; IV. Immune Regulation; V. Neoplastic Regulation; VI. Cell-Surface Oligosaccharide Modulation and IMR-90 Cellular Senescence

III. The Experimental SystemIV. Other Evidence of Transcellular Transport and Permeability Changes; V. Nature of the Paracellular Path; VI. Concluding Remarks; References; Index