Tag Archives: Hieronymus Fabricius of Acquapendente (1537-1619)

Hieronymus Fabricius of Acquapendente (1537-1619)

  The Bursa of Fabricius is a sac-like organ responsible for producing immunogenic B-lymphocytes and present only in the cloaca of birds. But the man who described it, far from being an obscure ornithologist, was a reputed professor of anatomy and surgery. Born in 1537 near Orvieto in central Italy, he had as a youngster […]