Contents

06 October 2000
Vol 290, Issue 5489

About The Cover

Cover image expansion

COVER Migratory capacities and effector functions of T lymphocytes are coordinately regulated during differentiation. Activated mouse CD4+ T lymphocytes (stained green) home to the T cell areas of the spleen and may be involved in secondary immune responses and immune regulation. Red indicates B cell areas stained with antibody to immunoglobulin M. A special section starting on p. 79 focuses on many aspects of cellular immunology. [Image: G. Iezzi and A. Lanzavecchia]