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 Fundus

Medically reviewed by Min Clinic Staff | Updated: January 2026

Fundus: In medicine, the bottom or base of an organ. For example, the fundus of the eye is the retina. However, the fundus of the stomach is inexplicably the upper portion. From the Latin for 'the bottom.'