New blood cells (including some lymphocytes) are made there. Thymus: The thymus is a small organ behind the upper part of the breastbone and in front of the heart. It's important for T lymphocyte ...

Departments of Chemistry and Biochemistry and Center in Molecular Toxicology, Vanderbilt University, Nashville, Tennessee 37235-1822, United States, and Division of Environmental Health Sciences, ...

Department of Biology, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, People's Republic of China Correspondence to: Dr. Vincent E. C. Ooi, Department ...