MedicalTerminology DB
Biological & Chemical Substances

phytohemagglutinin

Meaning of phytohemagglutinin: A substance found in plants that causes red blood cells to clump together and certain white blood cells to divide.

Definition of phytohemagglutinin

A substance found in plants that causes red blood cells to clump together and certain white blood cells to divide.

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.