MedicalTerminology DB
Genetics & Molecular Biology

proteoglycan

Meaning of proteoglycan: A molecule that contains both protein and glycosaminoglycans, which are a type of polysaccharide.

Definition of proteoglycan

A molecule that contains both protein and glycosaminoglycans, which are a type of polysaccharide. Proteoglycans are found in cartilage and other connective tissues.

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.