What is the medical terminology combining form meaning surgical creation of an artificial opening?

The medical terminology combining form meaning surgical creation of an artificial opening is -ostomy.

Here's how it works:

* -ostomy: This suffix means "the surgical creation of an opening"

* Examples:

* Colostomy: An opening made in the colon.

* Ileostomy: An opening made in the ileum.

* Tracheostomy: An opening made in the trachea.

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