Anemia Meaning of Anemia A condition in which the number of red blood cells is below normal. Also See: Angiotensin-converting enzyme inhibitor Androgen Receptor Ampulla of Vater cancer AZD2171 Animal Model Vitamin B12 Ascites Atypical squamous cells of undetermined significance Anti-TGF-beta monoclonal antibody GC1008 Aspirate ALSO SEE: Aldrich syndrome