Hektoen International

A Journal of Medical Humanities

Tag: De formatu foetu

  • 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 a…