Maria de Sousa
Maria Ângela Brito de Sousa (17 October 1939 – 14 April 2020) was a Portuguese
immunologist, science leader poet and writer. She gained international recognition as a medical researcher, as the author of several seminal scientific papers: she was the first to describe thymus-dependent (or
T cell) areas in 1966, a fundamental discovery in the mapping of
peripheral lymphoid organs; she coined the term "ecotaxis" in 1971, to describe the phenomenon of cells of different origins to migrate and to organize among themselves in very specific lymphoid areas. In the 1980s she focused on the study of
hereditary hemochromatosis, an iron overload genetic disease.
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