Презентация - "Презентация на тему " Мечников И.И.""

Mechnikov I. I.

Mechnikov I.I. was born in 1845 in the village of Ivanovka, not far from the city of Kharkov.
Since his early childhood I.I Mecnikov had become interested in natural science. Being a pupil of the sixth form he began to attend the course of university lectures. Mechnikov graduated from Kharkov University when he was only 19 years old. While studying at the University he published several scientific articles in zoology.

L.Tolstoy and I.Mechnikov.

In 1870 at the age of 25 Mechnikov became one of the leading professors of Odessa University. But twelve years later, in 1882 he left the University demonstrating his protect against the tzarist ministry of education. He began his intense work in the private laboratory. In 1887 Mechnikov went abroad and spent almost 30 years in Paris at the Pasteur Institute.

I.Mechnikov and A.Besredka in the laboratory of the Pasteur’s Institute in Paris.

I.Mechnikov and L.Pasteur.

I.I.Mechnikov was the first to observe the phenomenon of phagocytosis in experiments with lower animals. On the basis of the observation he proved that while blood cells of the human being had the ability to pass through the walls of the capillary vessels and to destroy the invading microbes. Mechnikov called these cells phagocytes and phenomenon itself phagocytosis. He also determined what defense forces the human body had and why not every bacterial infection resulted in a disease.

In 1908 I.I. Mechnikov received the Nobel Prize for his investigations on phagocytosis. Mechnikov performed considerable work on the on the effect of lactic acid on bacteria and devoted many years of his life to the problem of aging.

He died in 1916 at the age of 71.
Monument of Mechnekov front of the Pasteur’s Institute in Kharkov.