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.
Quadcopter unmanned aerial vehicles are used for surveillance and reconnaissance by military and law enforcement agencies, as well as search and rescue missions in urban environments. One such example is the Aeryon Scout, created by Canadian company Aeryon Labs, which is a small UAV that can quietly hover in place and use a camera to observe people and objects on the ground.