Contents

05 April 1996
Vol 272, Issue 5258

About The Cover

False-color image illustrating fluorescence-labeled lymphocytes (blue and white circles, ~10 micrometers in diameter) that home after intravenous injection to high endothelial venules (in shades of red) in the lymphoid tissue (yellow) of an intestinal Peyer's patch. The image was captured by video epifluorescence microscopy of exteriorized mouse small intestine. See 54, the special section beginning on 50, and the related News story on 28. [Image: R. F. Bargatze, Montana Immunotech, Bozeman, MT]