[I.O. Siavtsillo--prominent pathologist of the Moscow school]

Summarized data on the life and scientific activity of physician I. O. Syavtsillo (1860-1907), a member of the Chair of General Pathology at the Faculty of Medicine, the Moscow University, a disciple of professor A. B. Fokht, are presented. The monographs by I. O. Syavtsillo (1887-1898) dedicated to the problem of odema are considered. The scientist's concepts concerning the role of hemodynamic changes and disorders of the nervous activity in pathogenesis of odematous states are set forth. Impairment of innervation of vessels, stimulation of vasodilators and vasoconstrictors in the development of odema are also considered. Results of the investigations carried out by I. O. Syavtsillo are collated with present-day findings.