Medical Root
or/o
mouth
From Latin os, oris, mouth
Meaning
What does or/o mean?
or/o is a root meaning mouth. It comes from Latin os, oris, mouth.
Inside words it is spelled or.
Latin twin of Greek stomat/o: oral and stomatitis both point to the mouth.
In real words
Medical words with or/o
relating to the mouth, or given or taken by mouth
in the area around the mouth, as in perioral dermatitis, a red rash around the mouth
relating to both the mouth and the nose
situated near the mouth
done or occurring through the mouth, as a drug taken by mouth
surrounding the mouth, as the pale ring of circumoral pallor
Sources
Checked against
Written for biofideX in plain words, after checking these references:
- 12.2 Word Components Related to the Digestive System – Medical Terminology 2e
- ORO Definition & Meaning | Dictionary.com
- Digestive System (Gastrointestinal) – Building a Medical Terminology 2e – Student Companion Workbook
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Practice it
Mouth to stomach
or/o is one of 8 parts in this lesson. Learn them together, then take real words apart.
Start the LessonOr browse every word part