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.
The present flag, adopted in 1911, is the third official flag of the state of Michigan. The first state flag featured Michiganâs first governor, Stevens Thomson Mason, on one side and the Michigan coat of arms on the other.