MedicalTerminology DB
Procedures & Surgery

ostomy

Meaning of ostomy: An operation to create an opening (a stoma) from an area inside the body to the outside.

Definition of ostomy

An operation to create an opening (a stoma) from an area inside the body to the outside. Colostomy and urostomy are types of ostomies.

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.