Several types of cells in the immune system engulf microorganisms via phagocytosis. 1  Neutrophils. 2  Neutrophils are abundant in the blood, quickly enter tissues, and phagocytize pathogens in acute inflammation. 3  Macrophages. 4  Macrophages are closely related to monocytes in the blood.
Snowfall in Flagstaff ranged from 5 inches to 9 inches, with 8.6 inches at Flagstaff Pulliam Airport. Official record-keeping on Flagstaff's weather began on September 9, 1898, and a 30-year period ending in 2000 has been used in the last decade to determine what is average weather-wise.
Stratton said 18 inches of fresh snow has fallen at Snowbowl, and as much as another foot is expected. Conditions over the next few days will be fantastic, and even into the weekend, Stratton said. The new snow adds to a base of 20-30 inches that Snowbowl has been able to maintain by making snow at night. Sunrise Ski Park in the White Mountains of eastern Arizona reported only about an inch of new snow, but the forecast calls for more accumulations through Monday and Tuesday.