isoagglutinin: an antibody produced by one individual that causes agglutination of red blood cells in other individuals of the same species
protein: any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes
avulsion: a forcible tearing or surgical separation of one body part from another