Hemagglutinins

**Definition:** Agents that cause agglutination of red blood cells. They include antibodies, blood group antigens, lectins, autoimmune factors, bacterial, viral, or parasitic blood agglutinins, etc.

**Tree numbers:** - D27.505.696.477.136.377 - D27.505.954.502.270.232.500

**Synonyms:** - Hemagglutinin