MedicalTerminology DB
Diseases & Disorders

pernicious anemia

Meaning of pernicious anemia: A type of anemia (low red blood cell count) caused by the body's inability to absorb vitamin B12.

Definition of pernicious anemia

A type of anemia (low red blood cell count) caused by the body's inability to absorb vitamin B12.

Written and maintained by James Murray Last updated July 21, 2026 Educational reference, not medical advice. Read the limitations.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.