Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Placenta, accessory
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Placenta, accessory: A condition in which there is an extra placenta that is separate from the main placenta. Also known as a succenturiate or supernumerary placenta.