two types of hemolysis produced on blood agar by alpha and beta lysins found in Staphylococcus aureus and S. intermedius. extravascular hemolysis the hemolysis which occurs when fragments of erythrocytes and the majority of aged erythrocytes are phagocytosed directly by the cells of the mononuclear phagocytic system.
A professional aerial camera is a special, medium of large-format camera for photogrammetric survey or military purposes like reconnaissance or air combat documentation. The amateur's aerial camera may be a small camera mounted under a remote controlled aircraft model or in a small rocket.
The machine gun, used previously in the Crimea and other relatively minor conflicts, became a primary tool of the modern military, removing any pretense of the use of Napoleonic tactics (cavalry, fusillades, well-ordered, tightly packed lines of troops). Tanks, as well, saw use in World War I, but to a limited degree.