Cold agglutinin disease. Cold agglutination - at body temperature, the antibodies do not attach to the red blood cells. At lower temperatures, however, the antibodies react to Ii antigens, bringing the red blood cells together, a process known as agglutination.
American Robin (Turdus migratorius). The robin red breast was designated as the state bird of Michigan by House Concurrent Resolution No. 30, the Senate concurring, on April 8, 1931.
Apple blossom is the state flower of Michigan. 2,500 varieties of apples are grown in the United States. 7,500 varieties of apples are grown throughout the world. 100 varieties of apples are grown commercially in the United States. Views.