What it means
The root for the sigmoid colon, named for the Greek letter sigma because of its S-shaped curve. A sigmoidoscopy is a look inside it with a scope (-scopy = looking), and a sigmoidectomy is its removal.
At a glance
| Also written | sigmoido- |
|---|
Dictionary · Word part
sigmoid/o
A word root that means the sigmoid colon, the S-shaped last part of the colon before the rectum.