Fly fishing in a river. Fly fishing is an angling method in which an artificial 'fly' is used to catch fish. The fly is cast using a fly rod, reel, and specialized weighted line. Casting a nearly weightless fly or 'lure' requires casting techniques significantly different from other forms of casting.
Antistreptolysin O (ASO) titer is a blood test to measure antibodies against streptolysin O, a substance produced by Group A Streptococcus bacteria. ASO titer; ASLO. Blood is typically drawn from a vein, usually from the inside of the elbow or the back of the hand.
ABO blood group, a system for classifying human blood on the basis of antigenic components of red blood cells and their corresponding antibodies. The ABO blood group is identified by the presence or absence of two different antigens, A and B, on the surface of the red blood cell.The four blood types in this grouping, A, B, AB, and O, are determined by and named for these antigens. Type AB indicates the presence of both antigens; type O, the absence of both.Corresponding antibodies, anti-A and anti-B agglutinins, can be found in the plasma of type O blood.he four blood types in this grouping, A, B, AB, and O, are determined by and named for these antigens. Type AB indicates the presence of both antigens; type O, the absence of both. Corresponding antibodies, anti-A and anti-B agglutinins, can be found in the plasma of type O blood.