Anaia ana Anaphora and Type Logical Grammar Anaerobic and aerobic environment Anaphylactic transfusion reaction anaerobic spore-bearing bacilli anastomosis arteriovenosa simplex Anaerobic acidification Bacterium Anamirta cocculus Wight et Arnott anaerobic-anoxic-oxic process Anatomic shunt of pulmonary airway Anatomic M-mode echocardiography